Krems-Land District, Lower Austria, Austria (original) (raw)

Habit: prismatic to acicular crystals up to 10 mm long and 0.5 mm in diameter, elongate and striated <001>, rhombic to hexagonal in cross section, showing {100} and {110}

Colour: colorless, transparent to translucent

Description: Found in open fractures in pegmatoidal schlieren of plagioclase, K-feldspar, and quartz in the graphite deposit.

ⓘ Anatase

Formula: TiO2

Localities:

Loiwein (incl. Herrengraben), Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Huthof ("Am Hut"; Buchberg), Spitz, Krems-Land District, Lower Austria, Austria
Gföhl Quarry (Gnant quarry; Zöchling quarry; Traunfellner quarry), Gföhl, Krems-Land District, Lower Austria, Austria
Bengelbach (incl. Mitterfeld), Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Andalusite

Formula: Al2(SiO4)O

Localities: Reported from at least 8 localities in this region.

ⓘ Andradite

Formula: Ca3Fe3+2(SiO4)3

Localities:

Hartenstein castle, Maigen, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
St Johann, Großheinrichschlag, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ Anglesite

Formula: PbSO4

ⓘ Annite

Formula: KFe2+3(AlSi3O10)(OH)2

ⓘ Anorthite

Formula: Ca(Al2Si2O8)

Localities:

Amphibolite outcrops, Senftenberg, Krems-Land District, Lower Austria, Austria
Langenlois, Krems-Land District, Lower Austria, Austria
Klein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria

ⓘ Anorthite var. Bytownite

Formula: (Ca,Na)[Al(Al,Si)Si2O8]

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si2O8]

ⓘ Anthophyllite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

Localities: Reported from at least 12 localities in this region.

ⓘ Antigorite

Formula: Mg3(Si2O5)(OH)4

ⓘ 'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

Localities: Reported from at least 39 localities in this region.

ⓘ 'Apophyllite Group'

Formula: A B4[Si8O22]X · 8H2O

ⓘ Aragonite

Formula: CaCO3

Localities: Reported from at least 10 localities in this region.

ⓘ Arsenopyrite

Formula: FeAsS

ⓘ 'Asbestos'

ⓘ Augite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

Description: In garnet pyriclasites.

ⓘ Augite var. Fassaite

Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]

Description: In garnet pyriclasites.

ⓘ Axinite-(Fe)

Formula: Ca2Fe2+Al2BSi4O15OH

ⓘ 'Axinite Group'

Localities:

Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Spitz, Krems-Land District, Lower Austria, Austria

ⓘ Axinite-(Mg)

Formula: Ca2MgAl2BSi4O15OH

ⓘ Azurite

Formula: Cu3(CO3)2(OH)2

ⓘ Baileychlore

Formula: (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8

ⓘ Bavenite

Formula: Ca4Be2Al2Si9O26(OH)2

Localities: Reported from at least 7 localities in this region.

ⓘ Beraunite ?

Formula: Fe3+6(PO4)4O(OH)4 · 6H2O

Description: Only based on visual ID (as many of Kappelmüller's specimens).

ⓘ Bertrandite

Formula: Be4(Si2O7)(OH)2

Localities: Reported from at least 10 localities in this region.

ⓘ Beryl

Formula: Be3Al2(Si6O18)

Localities: Reported from at least 11 localities in this region.

ⓘ Beryl var. Aquamarine

Formula: Be3Al2Si6O18

Localities:

Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Bengelbach (incl. Mitterfeld), Mühldorf, Krems-Land District, Lower Austria, Austria
Huthof ("Am Hut"; Buchberg), Spitz, Krems-Land District, Lower Austria, Austria
Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ 'Biotite'

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Localities: Reported from at least 25 localities in this region.

ⓘ 'Biotite var. Anomite'

Localities:

Straß im Straßertale, Krems-Land District, Lower Austria, Austria
Klein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria
Wolfsgraben, Straß im Straßertale, Krems-Land District, Lower Austria, Austria

ⓘ Bismuth

Formula: Bi

References:

Löffler, E., Kolitsch, U. & Brandstätter, F. (2011): 1699) Apatit, Chamosit, Diopsid, Epidot, Grossular, Klinozoisit, Meionit, Titanit, gediegen Wismut, Zirkon und weitere Mineralien vom Steinbruch Siebenhandl an der Kraxnerklippe bei Felbring, Waldviertel. Pp. 165-167 in Niedermayr, G. et al. (2011): Neue Mineralfunde aus Österreich LX. Carinthia II, 201./121., 135-186.

ⓘ Brochantite

Formula: Cu4(SO4)(OH)6

ⓘ Brookite

Formula: TiO2

ⓘ Calcite

Formula: CaCO3

Localities: Reported from at least 28 localities in this region.

ⓘ Calcite var. Lublinite

Formula: CaCO3

ⓘ 'Calcite Group'

Formula: AXO3

ⓘ 'Calcium Amphibole Subgroup var. Hornblende-asbestos'

ⓘ Cassiterite

Formula: SnO2

Localities:

Spitz, Krems-Land District, Lower Austria, Austria
Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Huthof ("Am Hut"; Buchberg), Spitz, Krems-Land District, Lower Austria, Austria
Windeckberg, Spitz, Krems-Land District, Lower Austria, Austria

ⓘ Cerianite-(Ce)

Formula: (Ce4+,Th)O2

References:

ⓘ Cerussite

Formula: PbCO3

ⓘ 'Chabazite'

Localities: Reported from at least 8 localities in this region.

ⓘ 'Chabazite var. Phacolite'

ⓘ Chabazite-Ca

Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O

ⓘ Chalcanthite

Formula: CuSO4 · 5H2O

ⓘ Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 9 localities in this region.

ⓘ Chamosite

Formula: (Fe2+)5Al(Si,Al)4O10(OH,O)8

Localities:

Siebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Latzenhof, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Tannenfeld (Tannfeld), Maigen, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ Cheralite

Formula: CaTh(PO4)2

ⓘ Chernovite-(Y)

Formula: Y(AsO4)

References:

ⓘ Chlorapatite

Formula: Ca5(PO4)3Cl

ⓘ 'Chlorite Group'

Localities: Reported from at least 18 localities in this region.

ⓘ Chromite

Formula: Fe2+Cr3+2O4

Localities:

Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Saugraben, Wiedendorf, Straß im Straßertale, Krems-Land District, Lower Austria, Austria
Lower serpentinite quarry, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria ? (more information)

Description: In amphibolite-facies peridotite.

ⓘ Chrysoberyl

Formula: BeAl2O4

Localities:

Miesling valley, Krems-Land District, Lower Austria, Austria
Windeckberg, Spitz, Krems-Land District, Lower Austria, Austria
Birileiten, Spitz, Krems-Land District, Lower Austria, Austria
Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ Chrysotile

Formula: Mg3(Si2O5)(OH)4

Localities: Reported from at least 6 localities in this region.

ⓘ Chrysotile var. Chrysotile asbestos

ⓘ 'Clay minerals' ?

References:

Löffler, E. & Kolitsch, U. (2013): 1813) Gips, Graphit, Heulandit-Klinoptilolith(?), Prehnit, Pyrit, Pyrrhotin, Quarz und weitere Mineralien vom Steinbruch Siebenhandl an der Kraxnerklippe bei Felbring, Waldviertel, Niederösterreich. P. 126-127 in Niedermayr, G. et al. (2013): Neue Mineralfunde aus Österreich LXII. Carinthia II, 203./123., 91-146.

ⓘ Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

Localities: Reported from at least 11 localities in this region.

ⓘ Clinochlore var. Leuchtenbergite

Formula: Mg5Al(AlSi3O10)(OH)8

ⓘ Clinochlore var. Sheridanite

Formula: (Mg,Al,Fe)6(Si,Al)4O10(OH)8

ⓘ Clinoptilolite-Ca

Formula: Ca3(Si30Al6)O72 · 20H2O

References:

Kolitsch, U. & Löffler, E. (2012): 1759) Apatit, Klinoptilolith-Ca, Meionit, Prehnit, Titanit, Zirkon und weitere Mineralien aus einem Steinbruch bei Zintring, Maria Laach am Jauerling, Waldviertel, Niederösterreich. Pp. 161-162 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180.

ⓘ 'Clinoptilolite-Ca-Heulandite-Ca Series'

Localities:

Zeolite occurrence, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Gerichtsgraben, St Johann im Mauerthale, Rossatz-Arnsdorf, Krems-Land District, Lower Austria, Austria
Siebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Loiwein (incl. Herrengraben), Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria

ⓘ 'Clinoptilolite Subgroup' ?

Formula: M3-6(Si30Al6)O72 · 20H2O

References:

ⓘ 'Clinopyroxene Subgroup'

Localities:

Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Milk opal occurrence, Dürrenberg (Dürnberg), Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria
Mosinggraben, Spitz, Krems-Land District, Lower Austria, Austria
Granulite outcrop, Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Localities: Reported from at least 18 localities in this region.

ⓘ 'Clinozoisite-Epidote Series'

Localities:

Unnamed quarry, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Zeolite occurrence, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Siebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria

ⓘ Columbite-(Fe)

Formula: Fe2+Nb2O6

Localities:

Radlbachtal (Radlgraben; Huthof), Spitz, Krems-Land District, Lower Austria, Austria
Huthof ("Am Hut"; Buchberg), Spitz, Krems-Land District, Lower Austria, Austria
Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Windeckberg, Spitz, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

Localities: Reported from at least 6 localities in this region.

ⓘ Columbite-(Mn)

Formula: Mn2+Nb2O6

Localities:

Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Bengelbach (incl. Mitterfeld), Mühldorf, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria

ⓘ Copiapite

Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O

Localities:

Weinberg South, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Copper

Formula: Cu

ⓘ Coquimbite

Formula: AlFe3(SO4)6(H2O)12 · 6H2O

References:

Kolitsch, U. and Löffler, E. (2022): 2247) Alunogen, Coquimbit, Halotrichit, Magnesiocopiapit, Pickeringit, Römerit und Szomolnokit vom Marmorbruch südöstlich Amstall im Waldviertel, Niederösterreich. Pp. 267-269 in Walter, F. et al. (2022): Neue Mineralfunde aus Österreich LXXI. Carinthia II, 212./132., 221-308.

ⓘ Cordierite

Formula: (Mg,Fe)2Al3(AlSi5O18)

Localities: Reported from at least 7 localities in this region.

Habit: crystals to 7 cm

ⓘ Corundum

Formula: Al2O3

Localities: Reported from at least 10 localities in this region.

Description: Well terminated and full crystals are rare. Most of the material is broken.

ⓘ Corundum var. Sapphire

Formula: Al2O3

ⓘ Covellite

Formula: CuS

ⓘ Cowlesite

Formula: CaAl2Si3O10 · 6H2O

ⓘ Crandallite

Formula: CaAl3(PO4)(PO3OH)(OH)6

ⓘ Cristobalite

Formula: SiO2

ⓘ Cronstedtite

Formula: Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4

ⓘ Cummingtonite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

ⓘ Cuprite

Formula: Cu2O

ⓘ Delvauxite

Formula: CaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmed

Localities:

Graphite mine, Wegscheid, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ Diadochite ?

Formula: Fe3+2(PO4)(SO4)(OH) · 6H2O

ⓘ Diaspore

Formula: AlO(OH)

References:

Kolitsch, U. (2017): 2040) Diaspor, Keiviit-(Y), Margarit, Monazit-(Ce), Xenotim-(Y), Zirkon und weitere Mineralien in einer Korund-Almandin-Probe vom Latzenhof bei Felling im Waldviertel, Niederösterreich. Pp. 259-261 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.

ⓘ Diopside

Formula: CaMgSi2O6

Localities: Reported from at least 26 localities in this region.

ⓘ 'Diopside-Hedenbergite Series'

Localities:

Unnamed quarry, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Arzberg (Atzberg; Michaeler Berg), Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Wietzen, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria

ⓘ Dolomite

Formula: CaMg(CO3)2

Localities:

Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Lower serpentinite quarry, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria

ⓘ Dravite

Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)

Localities: Reported from at least 13 localities in this region.

Habit: small prismatic crystals

Colour: light to dark green, containing vanadium

Description: Pale to dark greenish crystals up to 4 cm long and 2 cm thich (Löffler and Knobloch, 1997).

ⓘ Dumortierite

Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)

Localities: Reported from at least 11 localities in this region.

ⓘ Elbaite

Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)

Localities:

Tannenfeld (Tannfeld), Maigen, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Bengelbach (incl. Mitterfeld), Mühldorf, Krems-Land District, Lower Austria, Austria
Königsalm, Senftenberg, Krems-Land District, Lower Austria, Austria ? (more information)

~~Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria~~

(more information)

ⓘ Enstatite

Formula: Mg2Si2O6

Localities:

Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Amphibolite outcrops, Senftenberg, Krems-Land District, Lower Austria, Austria
Mosinggraben, Spitz, Krems-Land District, Lower Austria, Austria

Description: In amphibolite-facies peridotite. Fe/Ca-enstatite in big crystals (up to 9 cm long), as relicts of HT protolith in peridotite. They show strain-induced exsolutions of garnet and cpx lamellae and are marginally recrystallized to a neoblastoassemblage of opx + cpx + forsterite + later amphibole + spinel.

ⓘ Enstatite var. Bronzite

Formula: (Mg,Fe2+)2[SiO3]2

ⓘ ~~Ephesite~~

Formula: NaLiAl2(Al2Si2O10)(OH)2

Description: "Ephesite"-bearing material was shown by Ertl (2019) to be a mixture of paragonite and muscovite.

ⓘ Epidote

Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Localities: Reported from at least 14 localities in this region.

ⓘ 'Epidote Supergroup'

Formula: (A1A2)(M1M2M3)O4[Si2O7][SiO4]O10

References:

ⓘ Euxenite-(Y) ?

Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

References:

ⓘ 'Fayalite-Forsterite Series'

Localities:

Biratalwand (Pyratalwand), Dürnstein, Krems-Land District, Lower Austria, Austria
Loiser Berg, Langenlois, Krems-Land District, Lower Austria, Austria
Wolfsgraben, Straß im Straßertale, Krems-Land District, Lower Austria, Austria
Dürnitzbügel (Dürnitzbiegl; Dürnitzbühel), Schiltern, Langenlois, Krems-Land District, Lower Austria, Austria

ⓘ 'Feldspar Group'

Localities: Reported from at least 18 localities in this region.

ⓘ 'Feldspar Group var. Perthite'

Description: Mesoperthite in quartzofeldspathic granulites : replaced by microcline + oligoclase.

ⓘ Felsőbányaite

Formula: Al4(SO4)(OH)10 · 4H2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ Fibroferrite

Formula: Fe3+(SO4)(OH) · 5H2O

ⓘ Fluorapatite

Formula: Ca5(PO4)3F

Localities: Reported from at least 12 localities in this region.

ⓘ Fluor-elbaite

Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F

ⓘ Fluorite

Formula: CaF2

ⓘ Fluor-schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3F

References:

Ertl, Andreas, Schuster, Ralf, Hughes, John M., Ludwig, Thomas, Meyer, Hans-Peter, Finger, Friedrich, Dyar, M. Darby, Ruschel, Katja, Rossman, George R., Klötzli, Urs, Brandstätter, Franz, Lengauer, Christian L., Tillmanns, Ekkehart (2012) Li-bearing tourmalines in Variscan granitic pegmatites from the Moldanubian nappes, Lower Austria. European Journal of Mineralogy, 24 (4) 695-715 doi:10.1127/0935-1221/2012/0024-2203

ⓘ Foitite

Formula: ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)

References:

ⓘ Forsterite

Formula: Mg2SiO4

Localities:

Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Serpentinite outcrops, Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria
Milk opal occurrence, Dürrenberg (Dürnberg), Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria

Description: In amphibolite-facies peridotite.

ⓘ Galena

Formula: PbS

Localities:

Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Mosinggraben, Spitz, Krems-Land District, Lower Austria, Austria
Arzberg (Atzberg; Michaeler Berg), Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ ~~Galenobismutite~~

Formula: PbBi2S4

Description: Reported as probable galenobismutite on the basis of an EDS analysis (Niedermayr et al., 2005). Later turned out to be robinsonite (Kolitsch & Brandstätter, 2012).

References:

NIEDERMAYR, G., C. AUER, F. BERNHARD, H.-P. BOJAR, F. BRANDSTÄTTER, A. ERTL, K. ETTINGER, V. M. F. HAMMER, B. LEIKAUF, W. POSTL, M. SABOR, R. SCHUSTER, R. SEEMANN & F. WALTER (2005): Neue Mineralfunde aus Österreich LIV. – Carinthia II, 195./115.: 277-315.

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities: Reported from at least 21 localities in this region.

ⓘ Gibbsite

Formula: Al(OH)3

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ 'Gismondine Subgroup'

ⓘ Goethite

Formula: α-Fe3+O(OH)

Localities: Reported from at least 10 localities in this region.

ⓘ Gold

Formula: Au

ⓘ Graftonite

Formula: Fe2+Fe2+2(PO4)2

References:

Brandstätter, F. und Niedermayr, G. (1988): 719. Graftonit aus dem Mieslingtal bei Spitz. Pp. 203-204 in: Niedermayr, G., Brandstätter, F., Moser, B. & Postl, W. (1988): Neue Mineralfunde aus Österreich XXXVII. Carinthia II, 178./98., 181-214.

ⓘ Graphite

Formula: C

Localities: Reported from at least 25 localities in this region.

ⓘ Greenockite

Formula: CdS

ⓘ Grossular

Formula: Ca3Al2(SiO4)3

Localities: Reported from at least 6 localities in this region.

ⓘ Grossular var. Hessonite

Formula: Ca3Al2(SiO4)3

Localities:

Hessonite occurrence, Sankt Michael, Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Calcsilicate occurrence, Plank am Kamp, Schönberg am Kamp, Krems-Land District, Lower Austria, Austria

ⓘ Gypsum

Formula: CaSO4 · 2H2O

Localities:

Arzberg (Atzberg; Michaeler Berg), Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Siebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Weinberg South, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Halloysite

Formula: Al2(Si2O5)(OH)4

Localities:

Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite mine, Wegscheid, Mühldorf, Krems-Land District, Lower Austria, Austria
Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ Halotrichite

Formula: FeAl2(SO4)4 · 22H2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Oberkienstock, Rossatz, Rossatz-Arnsdorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

~~Krumau am Kamp, Krems-Land District, Lower Austria, Austria~~

(more information)

ⓘ Harmotome

Formula: Ba2(Si12Al4)O32 · 12H2O

ⓘ Hedenbergite

Formula: CaFe2+Si2O6

ⓘ Hedenbergite var. Ferrosalite

ⓘ Helvine

Formula: Be3Mn2+4(SiO4)3S

Localities:

Tannenfeld (Tannfeld), Maigen, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Pegmatite II, Pegmatite occurrences, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria

ⓘ Hematite

Formula: Fe2O3

Localities: Reported from at least 6 localities in this region.

ⓘ Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

ⓘ Hercynite

Formula: Fe2+Al2O4

ⓘ Hercynite var. Picotite

Formula: (Fe,Mg)(Al,Cr)2O4

Description: In amphibolite-facies peridotite.

ⓘ Heulandite-Ca

Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O

Localities: Reported from at least 6 localities in this region.

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

Localities: Reported from at least 9 localities in this region.

ⓘ Huntite

Formula: CaMg3(CO3)4

Localities:

Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Hydrobiotite

Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O

Localities:

Dörrmühle (Hofmühle), Rastbach, Gföhl, Krems-Land District, Lower Austria, Austria
Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Wurschenaigen, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria

ⓘ Hydrohalloysite

Formula: Al2Si2O5(OH)4 · 2H2O

Localities:

Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite mine, Wegscheid, Mühldorf, Krems-Land District, Lower Austria, Austria
Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Hydroxylapatite

Formula: Ca5(PO4)3(OH)

ⓘ Hydrozincite

Formula: Zn5(CO3)2(OH)6

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO3

Description: In quartzofeldspathic granulites (fenites).

ⓘ Ilmenite

Formula: Fe2+TiO3

Localities: Reported from at least 14 localities in this region.

ⓘ 'Ixiolite-(Mn2+)-Ixiolite-(Fe2+) Series'

Formula: (Ta,Nb,Sn,Fe,Mn)4O8

ⓘ 'Ixiolite-(Mn2+)-Ixiolite-(Fe2+) Series var. Wolframoixiolite'

Formula: (Nb,W,Ta,Fe,Mn)2O4

ⓘ Jarosite

Formula: KFe3+3(SO4)2(OH)6

Localities: Reported from at least 9 localities in this region.

ⓘ 'Jarosite-Natrojarosite Series'

Description: No analytical details given.

ⓘ 'Jasper'

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

ⓘ 'Kaolinite Subgroup'

Formula: Al2Si2O5(OH)4

ⓘ Keiviite-(Y)

Formula: Y2Si2O7

References:

ⓘ 'Kelyphite'

ⓘ 'K Feldspar'

Localities: Reported from at least 15 localities in this region.

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi3O8

ⓘ 'Kupferpecherz'

ⓘ Kyanite

Formula: Al2(SiO4)O

Localities: Reported from at least 12 localities in this region.

ⓘ Laumontite

Formula: CaAl2Si4O12 · 4H2O

Localities: Reported from at least 10 localities in this region.

ⓘ 'Lévyne'

ⓘ 'Limonite'

Localities: Reported from at least 23 localities in this region.

ⓘ Lithiophilite

Formula: LiMn2+PO4

ⓘ Lizardite

Formula: Mg3(Si2O5)(OH)4

ⓘ Magnesiochromite

Formula: MgCr2O4

References:

Kolitsch, U., Winkler, R., Löffler, E. (2023): 2288) Andalusit, Anthophyllit, Aragonit, Chrysotilasbest, Columbit-(Fe), Columbit-(Mn), Dolomit, Dravit, Hämatit, Heulandit-Ca, Klinochlor, Laumontit, Limonit, Magnesiochromit, Opal-AN, Stellerit, Stilbit-Ca und Tremolit vom Granulit-Steinbruch bei Meidling, Paudorf, Niederösterreich. Pp. 302-307 in Walter, F. et al. (2023): Neue Mineralfunde aus Österreich LXXII. Carinthia II, 213./133., 237-330.

ⓘ Magnesiocopiapite

Formula: MgFe3+4(SO4)6(OH)2 · 20H2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Magnesio-foitite

Formula: ◻(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)

References:

ⓘ Magnesio-hornblende

Formula: ◻Ca2(Mg4Al)(Si7Al)O22(OH)2

ⓘ Magnesite

Formula: MgCO3

Localities:

Dörrmühle (Hofmühle), Rastbach, Gföhl, Krems-Land District, Lower Austria, Austria
Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Lower serpentinite quarry, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Klein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria
Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Magnesite var. Gelmagnesite

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities: Reported from at least 10 localities in this region.

Description: In amphibolite-facies peridotite.

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

Localities: Reported from at least 6 localities in this region.

ⓘ 'Manganese Oxides'

Localities: Reported from at least 11 localities in this region.

ⓘ 'Manganese Oxides var. Manganese Dendrites'

Localities:

Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Loiwein (incl. Herrengraben), Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria

ⓘ Marcasite

Formula: FeS2

ⓘ Margarite

Formula: CaAl2(Al2Si2O10)(OH)2

ⓘ Marialite

Formula: Na4Al3Si9O24Cl

ⓘ Meionite

Formula: Ca4Al6Si6O24CO3

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Siebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Unnamed quarry, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
Wietzen, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

ⓘ Metavariscite

Formula: AlPO4 · 2H2O

ⓘ Metavoltine

Formula: K2Na6Fe2+Fe3+6O2(SO4)12 · 18H2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ 'Mica Group'

Localities:

Lower serpentinite quarry, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Danube alluvials, Oberarnsdorf, Rossatz-Arnsdorf, Krems-Land District, Lower Austria, Austria
Birileiten, Spitz, Krems-Land District, Lower Austria, Austria

ⓘ Microcline

Formula: K(AlSi3O8)

Localities: Reported from at least 11 localities in this region.

ⓘ ~~Milarite~~

Formula: K(◻H2O)Ca2(Be2Al)[Si12O30]

Localities:

~~Pegmatite I, Pegmatite occurrences, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria~~

(more information)

~~Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria~~

(more information)

Description: Several "milarite" crystals were reinvestigated by SXRD (Uwe Kolitsch) and all turned out to be apatite.

ⓘ 'Monazite'

Formula: REE(PO4)

Localities: Reported from at least 6 localities in this region.

ⓘ Monazite-(Ce)

Formula: Ce(PO4)

Localities: Reported from at least 7 localities in this region.

ⓘ Montmorillonite

Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

ⓘ 'Moonstone'

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 22 localities in this region.

ⓘ Muscovite var. Fuchsite ?

Formula: K(Al,Cr)3Si3O10(OH)2

Description: Probably confused with V-bearing muscovite.

ⓘ Muscovite var. Phengite

Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2

ⓘ Muscovite var. Vanadium-bearing Muscovite

Formula: K(Al,V)2(AlSi3O10)(OH)2

References:

Ertl, Andreas, Rakovan, John, Hughes, John M., Bernhardt, Heinz-Jürgen, Rossman, George R. (2019) Vanadium-rich Muscovite from Austria: Crystal Structure, Chemical Analysis, and Spectroscopic Investigations. The Canadian Mineralogist, 57 (3) 383-389 doi:10.3749/canmin.1900020

ⓘ Natrojarosite

Formula: NaFe3(SO4)2(OH)6

Localities:

Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Arzberg (Atzberg; Michaeler Berg), Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Nontronite

Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Nordstrandite

Formula: Al(OH)3

ⓘ Olenite

Formula: NaAl3Al6(Si6O18)(BO3)3O3(OH)

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Tannenfeld (Tannfeld), Maigen, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ 'Olivine var. Pilite'

Formula: (Mg,Fe2+)2SiO4

ⓘ Opal

Formula: SiO2 · nH2O

Localities: Reported from at least 14 localities in this region.

ⓘ Opal var. Hyalite

Formula: SiO2 · nH2O

ⓘ Opal var. Milk Opal

Formula: SiO2 · nH2O

ⓘ Opal var. Opal-AN

Formula: SiO2 · nH2O

Localities: Reported from at least 6 localities in this region.

ⓘ Orthoclase

Formula: K(AlSi3O8)

Localities: Reported from at least 9 localities in this region.

ⓘ 'Orthopyroxene Subgroup'

Localities:

Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Klein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria

ⓘ Oxycalcioroméite ?

Formula: Ca2Sb2O6O

References:

ⓘ Paragonite

Formula: NaAl2(AlSi3O10)(OH)2

Localities:

Turquoise ditch (Weinberg Forest), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ Pargasite

Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2

Description: In amphibolite-facies peridotite.

ⓘ Pentlandite

Formula: (NixFey)Σ9S8

ⓘ 'Phillipsite Subgroup'

ⓘ Phlogopite

Formula: KMg3(AlSi3O10)(OH)2

Localities: Reported from at least 6 localities in this region.

ⓘ Pickeringite

Formula: MgAl2(SO4)4 · 22H2O

Localities:

Weinberg South, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Krumau am Kamp, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ 'Pinite'

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi2]O8

Localities: Reported from at least 15 localities in this region.

Description: In garnet pyriclasites.

ⓘ 'Plumasite'

ⓘ Plumbojarosite

Formula: Pb0.5Fe3+3(SO4)2(OH)6

ⓘ 'Polylithionite-Trilithionite Series'

ⓘ Prehnite

Formula: Ca2Al2Si3O10(OH)2

Localities: Reported from at least 37 localities in this region.

ⓘ 'Protodolomite'

Formula: (Ca,Mg)CO3

ⓘ 'Pumpellyite Subgroup'

Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A

Localities:

Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

~~Trandorf, Mühldorf, Krems-Land District, Lower Austria, Austria~~

(more information)

Description: 1) "Pumpellyite" was erroneously assigned to Trandorf by Brandstätter (1987). However, it occurs in the areas "Korundgraben" and "Weinberg Mitte". 2) Re-interpretation of the analysis in Brandstätter (1987) suggests that the sample is possibly Al-dominant, even if taking into account the dominant-constituent rule. (Comment Uwe Kolitsch)

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 31 localities in this region.

ⓘ 'Pyrochlore Supergroup'

Formula: A2-mD2X6-wZ1-n

References:

ⓘ Pyrolusite

Formula: Mn4+O2

ⓘ Pyromorphite

Formula: Pb5(PO4)3Cl

ⓘ Pyrope

Formula: Mg3Al2(SiO4)3

Localities:

Dürnsteiner Waldhütten, Dürnstein, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Serpentinite outcrops, Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria
Milk opal occurrence, Dürrenberg (Dürnberg), Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austria
Saugraben, Wiedendorf, Straß im Straßertale, Krems-Land District, Lower Austria, Austria

ⓘ Pyrophyllite

Formula: Al2Si4O10(OH)2

ⓘ Pyrrhotite

Formula: Fe1-xS

Localities: Reported from at least 10 localities in this region.

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 74 localities in this region.

Description: In quartzofeldsoathic granulites.

ⓘ Quartz var. Agate

Localities:

Dürnitzbügel (Dürnitzbiegl; Dürnitzbühel), Schiltern, Langenlois, Krems-Land District, Lower Austria, Austria
Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Schiltern, Langenlois, Krems-Land District, Lower Austria, Austria

ⓘ Quartz var. Chalcedony

Formula: SiO2

Localities: Reported from at least 10 localities in this region.

ⓘ Quartz var. Milky Quartz

Formula: SiO2

Localities: Reported from at least 7 localities in this region.

ⓘ Quartz var. Rock Crystal

Formula: SiO2

Localities: Reported from at least 17 localities in this region.

ⓘ Quartz var. Rose Quartz

Formula: SiO2

ⓘ Quartz var. Smoky Quartz

Formula: SiO2

Localities: Reported from at least 14 localities in this region.

ⓘ Quartz var. Star Quartz

Formula: SiO2

ⓘ Ranciéite

Formula: (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O

ⓘ Robinsonite

Formula: Pb4Sb6S13

ⓘ Römerite

Formula: Fe2+Fe3+2(SO4)4 · 14H2O

References:

ⓘ Rutile

Formula: TiO2

Localities: Reported from at least 21 localities in this region.

ⓘ Rutile var. Sagenite (of Saussure)

Formula: TiO2

ⓘ 'Sagenite'

ⓘ Sampleite

Formula: NaCaCu5(PO4)4Cl · 5H2O

ⓘ Saponite

Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O

ⓘ 'Scapolite'

Localities: Reported from at least 14 localities in this region.

ⓘ Scheelite

Formula: Ca(WO4)

ⓘ Schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Localities: Reported from at least 23 localities in this region.

ⓘ Sepiolite

Formula: Mg4(Si6O15)(OH)2 · 6H2O

ⓘ 'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

Localities: Reported from at least 6 localities in this region.

ⓘ 'Serpentine Subgroup var. Bastite'

Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

ⓘ Siderite

Formula: FeCO3

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Gföhl Quarry (Gnant quarry; Zöchling quarry; Traunfellner quarry), Gföhl, Krems-Land District, Lower Austria, Austria
Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Weinberg South, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria

ⓘ Sillimanite

Formula: Al2(SiO4)O

Localities: Reported from at least 9 localities in this region.

Description: In quartzofeldspathic granulites.

ⓘ Slavíkite

Formula: (H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O

ⓘ 'Smectite Group' ?

Formula: A0.3D2-3[T4O10]Z2 · nH2O

References:

ⓘ Smithsonite

Formula: ZnCO3

ⓘ Spessartine

Formula: Mn2+3Al2(SiO4)3

Localities:

Königsalm, Senftenberg, Krems-Land District, Lower Austria, Austria
Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Birileiten, Spitz, Krems-Land District, Lower Austria, Austria

ⓘ Sphalerite

Formula: ZnS

Localities:

Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Arzberg (Atzberg; Michaeler Berg), Weißenkirchen in der Wachau, Krems-Land District, Lower Austria, Austria
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Spinel

Formula: MgAl2O4

Localities:

Blocherleitengraben, Weinzierl am Walde, Krems-Land District, Lower Austria, Austria
Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria
Granulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
Bengelbach (incl. Mitterfeld), Mühldorf, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ Staurolite

Formula: Fe2+2Al9Si4O23(OH)

ⓘ Stellerite

Formula: Ca4(Si28Al8)O72 · 28H2O

References:

ⓘ Stevensite

Formula: (Ca,Na)xMg3-x(Si4O10)(OH)2

ⓘ Stilbite-Ca

Formula: NaCa4(Si27Al9)O72 · 28H2O

References:

ⓘ 'Stilbite Subgroup'

Formula: M6-7[Al8-9Si27-28O72] · nH2O

ⓘ Sulphur

Formula: S8

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Szomolnokite

Formula: FeSO4 · H2O

Localities:

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria

ⓘ Talc

Formula: Mg3Si4O10(OH)2

Localities:

Langenlois, Krems-Land District, Lower Austria, Austria
Dürnitzbügel (Dürnitzbiegl; Dürnitzbühel), Schiltern, Langenlois, Krems-Land District, Lower Austria, Austria
Dörrmühle (Hofmühle), Rastbach, Gföhl, Krems-Land District, Lower Austria, Austria
Malaschofsky Quarry, Lichtenau im Waldviertel, Krems-Land District, Lower Austria, Austria
Mosinggraben, Spitz, Krems-Land District, Lower Austria, Austria ? (more information)

ⓘ 'Tennantite-Tetrahedrite Series' ?

Description: No analytical data or description given. Never confirmed during 30 years of collecting by Amstall specialists Gerald Knobloch and Erwin Löffler (pers. comm. to Uwe Kolitsch, April 2021). Possibly confused with black anhedral rutile.

ⓘ Thorianite

Formula: ThO2

References:

ⓘ Thorite

Formula: Th(SiO4)

References:

ⓘ Titanite

Formula: CaTi(SiO4)O

Localities: Reported from at least 36 localities in this region.

ⓘ Todorokite

Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O

Localities: