Zwieselite (original) (raw)

A valid IMA mineral species - grandfathered

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About ZwieseliteHide

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Colour:

Dark brown; black (altered)

Lustre:

Sub-Vitreous, Resinous, Greasy

Specific Gravity:

3.89 - 3.97

Crystal System:

Monoclinic

Name:

Named in 1841 by August Breithaupt for the town of Zwiesel (Bavaria, Germany) where the mineral was found.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:4436:9

fef86f2d-ebff-4997-b906-c7fe1ce97b3a

IMA Classification of ZwieseliteHide

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Approved, 'Grandfathered' (first described prior to 1959)

IMA status notes:

Redefined by the IMA

Approval history:

Redefined IMA03-C.

Type description reference:

Classification of ZwieseliteHide

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8.BB.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1

41.6.1.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq

22.1.25

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Zwi IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ZwieseliteHide

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Sub-Vitreous, Resinous, Greasy

Colour:

Dark brown; black (altered)

Cleavage:

Distinct/Good
{001} good, {010} fair, {100} poor.

Fracture:

Irregular/Uneven, Sub-Conchoidal

Density:

3.89 - 3.97 g/cm3 (Measured) 3.92 g/cm3 (Calculated)

Optical Data of ZwieseliteHide

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RI values:

_n_α = 1.686 - 1.696 _n_β = 1.690 - 1.704 _n_γ = 1.703 - 1.713

2V:

Measured: 58° , Calculated: 60°

δ = 0.017

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

Yellow brown to reddish brown.

Chemistry of ZwieseliteHide

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Mindat Formula:

Fe2+2(PO4)F

Crystallography of ZwieseliteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 12.085 Å, b = 6.536 Å, c = 9.910 Å
β = 105.63°

Ratio:

a:b:c = 1.849 : 1 : 1.516

Unit Cell V:

753.82 ų (Calculated from Unit Cell)

Morphology:

Usually massive, morphological crystals unknown.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0012458 Zwieselite Yakubovich O V, Simonov M A, Matvienko E N, Belov N V (1978) The crystal structure of the synthetic finite Fe-term of the series triplite - zwieselite Fe2(PO4)F Doklady Akademii Nauk SSSR 238 576-579 1978 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
3.695 Å (50)
3.431 Å (40)
3.257 Å (70)
3.053 Å (90)
2.874 Å (100)
2.120 Å (40)
2.024 Å (40)

Comments:

Horni Slavkov, Czech Republic.

Geological EnvironmentHide

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Type Occurrence of ZwieseliteHide

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Place of Conservation of Type Material:

No designated type specimen.

Geological Setting of Type Material:

Reference:

Breithaupt, J.F.A. (1841) Phyletites ferrosus oder Zwiselit. Vollständige Handbuch der Mineralogie. Vol. 2: 299-300.

Synonyms of ZwieseliteHide

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Other Language Names for ZwieseliteHide

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Relationship of Zwieselite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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8.BB. Tilasite CaMg(AsO4)F Mon.
8.BB.X Arsenowagnerite Mg2(AsO4)F Mon. 2/m : _P_21/b
8.BB. Moabite NiFe3+(PO4)O Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.BB. Karlditmarite Cu9O4(PO4)2(SO4)2 Tric. 1 : _P_1
8.BB. Milkovoite Cu4O(PO4)(AsO4) Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.BB. Paulgrothite Cu9Fe3+O4(PO4)4Cl3 Orth. m _m_2 : C m _c_21
8.BB.05 Amblygonite LiAl(PO4)F Tric. 1 : _P_1
8.BB.05 Montebrasite LiAl(PO4)(OH) Tric. 1 : _P_1
8.BB.05 Tavorite LiFe3+(PO4)(OH) Tric. 1 : _P_1
8.BB.10 Triplite Mn2+2(PO4)F Mon. 2/m
8.BB.15 Sarkinite Mn2+2(AsO4)(OH) Mon. 2/m : _P_21/b
8.BB.15 Triploidite Mn2+2(PO4)(OH) Mon. 2/m : _P_2/b
8.BB.15 Wagnerite Mg2(PO4)F Mon. 2/m : _P_21/b
8.BB.15 Wolfeite Fe2+2(PO4)(OH) Mon. 2/m : _P_21/b
8.BB.15 Stanĕkite (Mn2+,Fe2+,Mg)Fe3+(PO4)O Mon. 2/m : _P_21/b
8.BB.15 Joosteite Mn2+(Mn3+,Fe3+)(PO4)O Mon. 2/m
8.BB.15 Hydroxylwagnerite Mg2(PO4)(OH) Mon. 2/m : _P_21/b
8.BB.15 Unnamed (Sb-analogue of Auriacusite) Fe3+Cu2+[(Sb,As)O4]O
8.BB.20 Holtedahlite Mg2(PO4)(OH) Trig. 3_m_ : P_31_m
8.BB.20 Satterlyite (Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6 Trig. 3_m_ _(_32/m ) : P_31_m
8.BB.25 Althausite Mg4(PO4)2(OH,O)(F,◻) Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.BB.30 Adamite Zn2(AsO4)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.30 Eveite Mn2+2(AsO4)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.30 Libethenite Cu2(PO4)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.30 Olivenite Cu2(AsO4)(OH) Mon. 2/m : _P_21/m
8.BB.30 Zincolibethenite CuZn(PO4)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.30 Zincolivenite CuZn(AsO4)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.30 Auriacusite Fe3+Cu2+(AsO4)O Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
8.BB.35 Paradamite Zn2(AsO4)(OH) Tric. 1 : _P_1
8.BB.35 Tarbuttite Zn2(PO4)(OH) Tric. 1 : _P_1
8.BB.40 Barbosalite Fe2+Fe3+2(PO4)2(OH)2 Mon. 2/m : _P_21/b
8.BB.40 Hentschelite CuFe3+2(PO4)2(OH)2 Mon. 2/m : _P_21/m
8.BB.40 Lazulite MgAl2(PO4)2(OH)2 Mon. 2/m : _P_21/b
8.BB.40 Scorzalite Fe2+Al2(PO4)2(OH)2 Mon. 2/m : _P_21/b
8.BB.40 Wilhelmkleinite ZnFe3+2(AsO4)2(OH)2 Mon. 2/m : _P_21/m
8.BB.45 Trolleite Al4(PO4)3(OH)3 Mon. 2/m : _B_2/b
8.BB.45 Yaroshevskite Cu9O2(VO4)4Cl2 Tric. 1 : _P_1
8.BB.45 Dokuchaevite Cu8O2(VO4)3Cl3 Tric. 1 : _P_1
8.BB.50 Namibite Cu(BiO)2(VO4)(OH) Tric. 1 : _P_1
8.BB.50 Aleutite [Cu5O2](AsO4)(VO4) · (Cu,K,Pb,Rb,Cs,)Cl Mon. 2/m : _B_2/m
8.BB.52a Ericlaxmanite Cu4O(AsO4)2 Tric. 1 : _P_1
8.BB.52b Kozyrevskite Cu4O(AsO4)2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.BB.55 Phosphoellenbergerite (Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6 Hex. 6_m_ m : P_63_m c
8.BB.55 Popovite Cu5O2(AsO4)2 Tric. 1 : _P_1
8.BB.60 Urusovite CuAl(AsO4)O Mon. 2/m : _P_21/b
8.BB.65 Theoparacelsite Cu3(As2O7)(OH)2 Orth. m m m _(_2/_m_2/_m_2/m ) : P m m a
8.BB.70 Turanite Cu5(VO4)2(OH)4 Tric. 1 : _P_1
8.BB.75 Stoiberite Cu5(VO4)2O2 Mon. 2/m
8.BB.80 Fingerite Cu11(VO4)6O2 Tric. 1 : _P_1
8.BB.85 Averievite Cu6(VO4)2O2Cl2 Trig. 3 : _P_3
8.BB.90 Lipscombite Fe2+Fe3+2(PO4)2(OH)2 Tet. 422 : _P_41212
8.BB.90 Richellite CaFe3+2(PO4)2(OH,F)2 Amor.
8.BB.90 Zinclipscombite ZnFe3+2(PO4)2(OH)2 Tet. 422 : _P_43212

Fluorescence of ZwieseliteHide

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for ZwieseliteHide

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Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Ren, L., Grew, E. S., Xiong, M., Ma, Z. (2003) Wagnerite-Ma5bc, a new polytype of Mg2(PO4)(F,OH), from granulite-facies paragneiss, Larsemann Hills, Prydz Bay, East Antarctica. The Canadian Mineralogist, 41 (2) 393-411 doi:10.2113/gscanmin.41.2.393

Localities for ZwieseliteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Argentina
Córdoba Province San Alberto department ⓘ La Gloria pegmatite Gay et al. (1994)
La Rioja Province General Ángel V. Peñaloza Department ⓘ Difunta Correa pegmatite Fernando Colombo et al. (2018)
Australia
New South Wales Yancowinna Co. Broken Hill district ⓘ Repeater Station
Thackaringa District ⓘ Lady Beryl Mine Johnson (1956)
South Australia Pastoral Unincorporated Area ⓘ Bimbowrie Conservation Park
Old Boolcoomata Station White Rock Feldspar Mine ⓘ White Rock No. 2 pegmatite Kampf et al. (2018)
Boolcoomatta Reserve (Boolcoomata Station) ⓘ Wiperaminga Hill West Quarry (Wipperaminga Hill) Lottermoser et al. (1997)
Victoria East Gippsland Shire Glen Valley ⓘ Knocker dyke (South Blue Jacket) Eagle et al. (2015)
Loddon Shire Pyramid Hill ⓘ Pyramid Hill granite quarry (Mawson's Quarry) W. Birch 1996 AJM 2 (2)
Canada
British Columbia Revelstoke Mining Division Revelstoke ⓘ Mount Begbie DIXON et al. (2014)
Czech Republic
Karlovy Vary Region Sokolov District Krásno ⓘ Huber stock (Huber shaft; Hub stock) Petr Pauliš (2000) +1 other reference
Vysočina Region Žďár nad Sázavou District Bory ⓘ Dolní Bory Staně +4 other references
ⓘ Pegmatite vein No. 3 Novák et al. (2008)
ⓘ Pegmatite vein Oldřich Staněk (1997)
Horní Bory Cyrilov (Cyrillhof) ⓘ Cyrilov phosphate pegmatite (Cyrillhof) Škoda et al. (2007) +1 other reference
Finland
Southwest Finland Kimitoön (Kemiönsaari) ⓘ Mattkärr Pertti Hyvärinen collection
France
Nouvelle-Aquitaine Haute-Vienne Bellac Bessines-sur-Gartempe ⓘ Avent quarry perso.wanadoo.fr (2004)
ⓘ Mas-Barbu Quarry - (1998)
Compreignac ⓘ Chabanne quarry - (1998)
Razès Chanteloube Vilatte Quarries (La Vilate) ⓘ Vilatte-Basse Quarry (Les Eaux Vertes Quarry) - (1998)
ⓘ Le Malabard Quarry perso.wanadoo.fr (2004)
Occitanie Pyrénées-Orientales Prades Valmanya ⓘ Porteille de Valmanya Guitard (2010)
Germany
Bavaria Lower Bavaria Freyung-Grafenau District Röhrnbach ⓘ Steinerleinbach Quarry Habel (2009)
Regen District Böbrach ⓘ Berghaus Quarry Weiß (1990)
Bodenmais ⓘ Blötz Mine (Plötz Mine) Weiß (1990)
Drachselsried Frath ⓘ Frath Mine Weiß (1990)
Zwiesel ⓘ Birkhöhe Quarry (Birkenhöhe Quarry) (TL) Fisher (1957) +1 other reference
Rabenstein ⓘ Hühnerkobel Mine (Hennenkobel Mine) Palache et al. (1951) +1 other reference
ⓘ Savings bank construction site Obermüller et al. (1993)
Upper Palatinate Cham District Lohberg Lohberghütte ⓘ Hörndl Quarry (Hörlberg Quarry) Weiß (1990)
Waldmünchen Althütte ⓘ Pegmatite outcrop Fehr et al. (1985)
Neustadt an der Waldnaab District Pleystein ⓘ Kreuzberg (Rose quartz cliff) Dill et al. (2009)
Waidhaus Hagendorf ⓘ Hagendorf North Pegmatite Dill H.G.: "Mineralogical and chemical ... +1 other reference
ⓘ Hagendorf South Pegmatite www.berthold-weber.de (2001)
ⓘ 67 m level Hochleitner et al. (2024)
ⓘ Silbergrube Dill et al. (2008)
Tirschenreuth District Bärnau ⓘ Ahornberg Weiß (1990)
Plößberg ⓘ Plößberg-Wildenau pegmatite Weiß (1990)
Saxony Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine Thomas et al. (2000)
Sächsische Schweiz-Osterzgebirge Dippoldiswalde ⓘ Sadisdorf Zschäbitz et al. (2011)
Namibia
Erongo Region Karibib Constituency Okatjimukuju Farm 55 (Friedrichsfelde Farm) ⓘ Clementine II pegmatite P. Keller and O. von Knorring
Tsaobismund Farm 85 ⓘ Tsaobismund pegmatite Contrib Mineral Petrol (1986)
Portugal
Guarda Gouveia Folgosinho ⓘ Sítio do Castelo Mine Keck et al. (1998)
Sabugal Bendada ⓘ Bendada Mines Schnorrer-Köhler (1991)
ⓘ Panasqueira Mines Raade et al. (1993) +1 other reference
Viana do Castelo Ponte da Barca Touvedo (São Lourenço e Salvador) ⓘ Pedra da Moura Mine Leal Gomes et al. (2009)
Viseu Sátão Ferreira de Aves Aldeia Nova ⓘ Assunção Mine
Spain
Castile and Leon Salamanca ⓘ La Fregeneda Roda-Robles et al. (2010)
Sweden
Stockholm County Haninge ⓘ Ängsholmarna Norra Smeds et al. (1998)
Norrö ⓘ Norrö Mica Quarry Smeds et al. (1998)
Sigtuna Arlanda ⓘ Norrskogen Swedish Museum of Natural History (Naturarv database)
UK
England Cornwall Breage ⓘ Megiliggar Rocks (Tremearne pegmatite)
USA
Colorado Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) Storm Mountain ⓘ Storm Mountain Mine Eckel et al. (1997)
Maine Oxford County Newry ⓘ Bell pit ? Gene Foord