Langesundsfjorden, Norway (original) (raw)
Formula: NaFe3+Si2O6
Localities: Reported from at least 41 localities in this region.
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
Formula: Na(AlSi3O8)
Localities: Reported from at least 29 localities in this region.
Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Localities: Reported from at least 22 localities in this region.
Formula: Na(AlSi2O6) · H2O
Localities: Reported from at least 36 localities in this region.
Formula: TiO2
Formula: CeSr(CO3)2(OH) · H2O
Description: Sæbø (1963) rexamined Brøggers "Weibyeite" and found it to be a mixture of Ancylite-(Ce) and bastnäsite-(Ce) pseudomorphs after ancylite-(Ce)
Formula: (M3+ xM2+2-x)(CO3)2[(OH)x · (2-x)H2O]
Formula: Ca3Fe3+2(SiO4)3
Localities:
Dalheim, Stokkøya, Larvik, Vestfold, Norway
Zircon prospect, Stokkøya, Larvik, Vestfold, Norway
Store Arøya (Arøy), Larvik, Vestfold, Norway
Stokkøya, Larvik, Vestfold, Norway
Formula: Ca3(Fe3+,Ti)2(SiO4)3
Formula: KFe2+3(AlSi3O10)(OH)2
Localities: Reported from at least 15 localities in this region.
Formula: Ca5(PO4)3(Cl/F/OH)
Localities:
Zircon prospect, Stokkøya, Larvik, Vestfold, Norway
Stokksund, Larvik, Vestfold, Norway
Store Arøya (Arøy), Larvik, Vestfold, Norway
Låven, Larvik, Vestfold, Norway
Formula: A B4[Si8O22]X · 8H2O
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Localities:
"Natronkatapleït"-locality, Vesle Arøya, Larvik, Vestfold, Norway
Eudidymite-Epididymite locality, Vesle Arøya, Larvik, Vestfold, Norway
Eikaholmen, Larvik, Vestfold, Norway
Description: Found by Flink 1884. Small well-developed crystals.
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
Description: As a secondary coating on arsenopyrite
Formula: FeAsS
Localities:
Finnsholmen East, Finnsholmane, Porsgrunn, Telemark, Norway
Kjeøya Northwest (melanocerite occurrence), Kjeøya, Barkevik area, Larvik, Vestfold, Norway
Paradisbukta, Store Arøya (Arøy), Larvik, Vestfold, Norway
Risøya, Porsgrunn, Telemark, Norway
Formula: K2NaFe2+7Ti2Si8O26(OH)4F
Localities: Reported from at least 29 localities in this region.
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
Piilonen, Paula C., McDonald, Andrew M., Poirier, Glenn, Rowe, Ralph, Larsen, Alf Olav (2013) Mafic minerals of the alkaline pegmatites in the Larvik plutonic complex, Oslo rift, southern Norway. The Canadian Mineralogist, 51 (5) 735-770 doi:10.3749/canmin.51.5.735
Localities:
Melanocerite typelocality, Kjeøya, Barkevik area, Larvik, Vestfold, Norway
Salbutangen, Helgeroa, Larvik, Vestfold, Norway
Skutesundskjær, Barkevik area, Larvik, Vestfold, Norway
Formula: Be2Ba(Si2O7)
Habit: extremely small thin needles /treads
Description: Resembling cotton wool
Formula: (Ce/Nd/Y/REE)(CO3)F
Description: in a mixture of bastnäsite, calcite and titanite = pseudomorph after mosandrite crystals
Formula: Ce(CO3)F
Localities:
Barkevika roadcut, Barkevika, Barkevik area, Larvik, Vestfold, Norway
Eudidymite locality, Lille Arøya, Larvik, Vestfold, Norway
Risøya South 2, Risøya, Porsgrunn, Telemark, Norway
Eudidymite-Epididymite locality, Vesle Arøya, Larvik, Vestfold, Norway
Barkevika, Barkevik area, Larvik, Vestfold, Norway
Formula: Ca4Be2Al2Si9O26(OH)2
Formula: Be2(BO3)(OH,F) · H2O
Formula: Be4(Si2O7)(OH)2
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 41 localities in this region.
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Description: Major constituents of pseudomorphs after Astrophyllite/Kupletskite intermediates.
Formula: AlO(OH)
Localities: Reported from at least 8 localities in this region.
Formula: Cu5FeS4
Formula: (Ce,Ca)5(SiO4)3OH
Formula: Na2CaZr(Si2O7)F2
Formula: CaCO3
Localities: Reported from at least 22 localities in this region.
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Localities: Reported from at least 12 localities in this region.
Formula: Ba(Y,Ce)6Si3B6O24F2
Formula: Na2Zr(Si3O9) · 2H2O
Localities: Reported from at least 23 localities in this region.
Habit: platy
Colour: pale brownish red
Description: embedded in feldspar
Formula: PbCO3
Localities:
Barkevikskjær, Barkevik area, Larvik, Vestfold, Norway
Arøyskjærene (Arøy skerries), Larvik, Vestfold, Norway
Låven, Larvik, Vestfold, Norway
Formula: CuFeS2
Localities: Reported from at least 6 localities in this region.
Formula: Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Description: Found in 1975 as 2-3 cm long crystals in syenite pegmatite veins. One sample known.
Formula: CaMnBe2Si5O13(OH)2 · 2H2O
References:
Larsen, Alf Olav, Kolitsch, Uwe, Gault, Robert A., Giester, Gerald (2010) Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy, 22 (6) 875-880 doi:10.1127/0935-1221/2010/0022-2068
Localities: Reported from at least 10 localities in this region.
Description: As alteration product after biotite
Formula: CuS
Formula: CaB(SiO4)(OH)
Formula: AlO(OH)
Localities: Reported from at least 13 localities in this region.
Formula: Cu9S5
Formula: Cu31S16
Formula: NaCa2Mg5(Si7Al)O22(OH)2
References:
Larsen, Alf Olav, Kolitsch, Uwe, Gault, Robert A., Giester, Gerald (2010) Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy, 22 (6) 875-880 doi:10.1127/0935-1221/2010/0022-2068
Formula: KNa6Be2(Si15Al3)O39F2
Type Locality:
Habit: Bundles of radiating fibres reach 3 cm in length;
Description:
References:
Larsen, Alf Olav, Kolitsch, Uwe, Gault, Robert A., Giester, Gerald (2010) Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy, 22 (6) 875-880 doi:10.1127/0935-1221/2010/0022-2068
Formula: Na2Be2Si6O15 · H2O
Localities:
Tangane, Siktesøya, Porsgrunn, Telemark, Norway
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Eudidymite-Epididymite locality, Vesle Arøya, Larvik, Vestfold, Norway
Eikaholmen, Larvik, Vestfold, Norway
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Erdmannite (of Engström and Des Cloizeaux & Damour)'
Formula: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Localities: Reported from at least 12 localities in this region.
Formula: [N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
Localities: Reported from at least 26 localities in this region.
ⓘ 'Eudialyte Group var. Eucolite'
Localities: Reported from at least 9 localities in this region.
Formula: Na2Be2Si6O15 · H2O
Localities: Reported from at least 7 localities in this region.
Localities: Reported from at least 13 localities in this region.
ⓘ 'Feldspar Group var. Perthite'
Formula: NaCa2Fe2+5(Si7Al)O22(OH)2
Localities: Reported from at least 7 localities in this region.
Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
Formula: Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3Cl2
Localities:
Barkevikstranda, Barkevika, Barkevik area, Larvik, Vestfold, Norway
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Skutesundskjær, Barkevik area, Larvik, Vestfold, Norway
Formula: Ca5(PO4)3F
Localities: Reported from at least 10 localities in this region.
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Localities: Reported from at least 8 localities in this region.
Formula: CaF2
Localities: Reported from at least 40 localities in this region.
Formula: Na2Zr(Si3O9) · 2H2O
Formula: PbS
Localities: Reported from at least 15 localities in this region.
Formula: Be3Zn4(SiO4)3S
Localities:
Sandøya, Porsgrunn, Telemark, Norway
Zircon prospect, Stokkøya, Larvik, Vestfold, Norway
Låven, Larvik, Vestfold, Norway
Lille Arøya, Larvik, Vestfold, Norway ? (more information)
Habit: tetrahedra up to 1 mm
Colour: Yellow
Fluorescence: Deep red in both long- and shortwave
Description: Found in analcime
Formula: Al(OH)3
Localities: Reported from at least 10 localities in this region.
Formula: α-Fe3+O(OH)
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
Localities:
Skutevik, Håøya West, Håøya, Porsgrunn, Telemark, Norway
Håøya West, Håøya, Porsgrunn, Telemark, Norway
Låven, Larvik, Vestfold, Norway
Formula: NaCa6Ti(Si2O7)2OF3
Description: Later showed to be hainite-(Y). NB spelled erronously as gozenitt in Eldjarn (1983)
Formula: Na4MnZr3(Si2O7)2O2F2
Type Locality:
Habit: semi-parallell aggregates of elongated,flattened crystals up to 1 cm.
Colour: yellowish brown
References:
Bellezza, Marco, Franzini, Marco, Larsen, Alf O., Merlino, Stefano, Perchiazzi, Natale (2004) Grenmarite, a new member of the gotzenite-seidozerite-rosenbuschite group from the Langesundsfjord district, Norway: definition and crystal structure. European Journal of Mineralogy, 16 (6) 971-978 doi:10.1127/0935-1221/2004/0016-0971
Formula: Na2Ca4(Y,REE)Ti(Si2O7)2OF3
Localities:
Barkevik area, Larvik, Vestfold, Norway
Teineholmen, Barkevik area, Larvik, Vestfold, Norway
Låven, Larvik, Vestfold, Norway
Description: The reference in Christiansen & Johnsen (2003) refers to Teineholmen. Se entry on Hainite-(Y) under Teineholmen locality for further clarification
Formula: Be2(BO3)(OH)
Localities:
Salbutangen, Helgeroa, Larvik, Vestfold, Norway
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Lille Arøya, Larvik, Vestfold, Norway
Eikaholmen, Larvik, Vestfold, Norway
Description: In this pegmatite Brøgger only found one crystal, 3,5cm long and 1,5cm broad.
Formula: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2
Localities:
Barkevika roadcut, Barkevika, Barkevik area, Larvik, Vestfold, Norway
Løvøysundet, Løvøya, Porsgrunn, Telemark, Norway
Barkevika, Barkevik area, Larvik, Vestfold, Norway
Formula: Be3Mn2+4(SiO4)3S
Localities: Reported from at least 11 localities in this region.
Formula: Fe2O3
Localities:
Hviteberget, Stokkøya, Larvik, Vestfold, Norway
Tangane, Siktesøya, Porsgrunn, Telemark, Norway
Zircon prospect, Stokkøya, Larvik, Vestfold, Norway
Formula: Zn4Si2O7(OH)2 · H2O
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Formula: Na2Zr[SiO3]3 · 3H2O
Formula: Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3
Localities: Reported from at least 19 localities in this region.
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
Description: May be hisingerite
Formula: Ca2(Fe2+,Mg)B2Si2O10
Localities: Reported from at least 7 localities in this region.
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Localities:
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Paradisbukta, Store Arøya (Arøy), Larvik, Vestfold, Norway
Løvøya, Porsgrunn, Telemark, Norway
Description: Listed as "hornblende" in Larsen & Raade (1991), => entered as "Amphibole group" in Mindat
Formula: Zn5(CO3)2(OH)6
Formula: Fe2+TiO3
Localities: Reported from at least 7 localities in this region.
Formula: Na3Ca2MnZrTi(Si2O7)2OF3
Habit: heterogeneous crystalaggregates of a rosenbuschite-like fibrous mineral
Description: Andersen et al. (2012) found a possible kochite (electron microprobe analyses) from Låven in material in the mineral collection of the Natural History Museum of the University of Oslo, which was collected by G.B. Liestøl in the 1950s.
Formula: (La,Nd)(CO3)(OH)
Formula: (K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4F
References:
Formula: Na2Ca2Mn2Zr2(Si2O7)2O2F2
Localities: Reported from at least 13 localities in this region.
Colour: chestnutbrown to yellowish
Formula: (Na,H2O)Na6[Be2Al2(Al,Si)Si15O39]F2
Description: Originally reported as leifite (Larsen & Åsheim 1995). Later showed to be the K-analoge; IMA 2007-17= Eirikite
Formula: NaCaBeSi2O6F
Localities: Reported from at least 25 localities in this region.
Formula: FeAs2
Localities: Reported from at least 20 localities in this region.
Formula: Na2Ti2(Si2O6)O3
Habit: prismatic, vertically striated
Colour: colourless ; greyish; reddish brown
Fluorescence: strong yellow under short-wave
Description: in pseudomorphs after mosandrite together with aegirine, titanite, pyrochlore, calcite, magnetite and pyrophanite. Found in a mosandrite pseudomorph as 0,1-15 mm long crystals (Raade 1967).
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 16 localities in this region.
Formula: Cu2(CO3)(OH)2
References:
Formula: (Ce,Ca)5(SiO4,BO4)3(OH,O)
Localities:
Melanocerite typelocality, Kjeøya, Barkevik area, Larvik, Vestfold, Norway
Arøyskjærene (Arøy skerries), Larvik, Vestfold, Norway
Langesundsfjorden, Norway
Natrolittodden, Vesle Arøya, Larvik, Vestfold, Norway ? (more information)
Barkevika, Barkevik area, Larvik, Vestfold, Norway ? (more information)
Habit: Rhombohedral crystals
Colour: Brown to black
ⓘ Melanocerite-(Ce) var. Caryocerite (FRL)
Formula: (Ce,Ca)5(SiO4,BO4)3(OH,0)
Type Locality:
ⓘ Melanocerite-(Ce) var. Freyalite
Formula: (Ce,Ca)5(SiO4,BO4)3(OH,0)
Formula: (Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Localities: Reported from at least 11 localities in this region.
Localities:
Paradisbukta, Store Arøya (Arøy), Larvik, Vestfold, Norway
Løvøya, Porsgrunn, Telemark, Norway
Barkevika, Barkevik area, Larvik, Vestfold, Norway
ⓘ 'Mica Group var. Lepidomelane'
Description: See annite
Formula: K(AlSi3O8)
Localities: Reported from at least 46 localities in this region.
Formula: MoS2
Localities: Reported from at least 33 localities in this region.
Formula: Ce(PO4)
References:
Larsen, Alf Olav, Kolitsch, Uwe, Gault, Robert A., Giester, Gerald (2010) Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy, 22 (6) 875-880 doi:10.1127/0935-1221/2010/0022-2068
Formula: REE(PO4)
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Localities: Reported from at least 10 localities in this region.
Formula: (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Localities: Reported from at least 9 localities in this region.
Description: Crystals are often altered with only traces left of the original mosandrite. The contents of the pseudomorphs are fluorite, agerine, calcite and a brownish substance.
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 18 localities in this region.
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Formula: Na2Al2Si3O10 · 2H2O
Localities: Reported from at least 45 localities in this region.
Formula: Na2Al2Si3O10 · 2H2O
Localities: Reported from at least 21 localities in this region.
Formula: (Mn,Fe)SiO3 · H2O (?)
Description: May be hisingerite
Formula: Na3K(Al4Si4O16)
Localities: Reported from at least 45 localities in this region.
Formula: (Na,K)AlSiO4
Formula: CaSn4+[BO3]2
Colour: citronyellow; sulfuryellow to wineyellow, partly whiteish yellow
Description: Looks like melinophane
Formula: Al(OH)3
Formula: SiO2 · nH2O
Formula: SiO2 · nH2O
Formula: CaCe2(CO3)3F2
Localities:
Tangane, Siktesøya, Porsgrunn, Telemark, Norway
Siktesøya, Porsgrunn, Telemark, Norway
Eudidymite-Epididymite locality, Vesle Arøya, Larvik, Vestfold, Norway
Eudidymite locality, Lille Arøya, Larvik, Vestfold, Norway
Formula: NaCa2Si3O8(OH)
Formula: CaTiO3
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
Description: The locality is not explicit mentioned in Ljostad (1988), but later confirmed by the author. Pers. com. O.T.Ljøstad 1989
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Formula: KLi2Al(Si4O10)(F,OH)2
Localities:
Eudidymite locality, Lille Arøya, Larvik, Vestfold, Norway
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Eudidymite-Epididymite locality, Vesle Arøya, Larvik, Vestfold, Norway
Låven, Larvik, Vestfold, Norway
Localities:
Melanocerite typelocality, Kjeøya, Barkevik area, Larvik, Vestfold, Norway
Barkevikstranda, Barkevika, Barkevik area, Larvik, Vestfold, Norway
Skutesundskjær, Barkevik area, Larvik, Vestfold, Norway
Formula: FeS2
Localities: Reported from at least 16 localities in this region.
Formula: A2Nb2(O,OH)6Z
Localities: Reported from at least 38 localities in this region.
Formula: Mn2+TiO3
Localities: Reported from at least 15 localities in this region.
Formula: ADSi2O6
Formula: Fe1-xS
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
Formula: (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Localities:
Unnamed pegmatite, Store Arøya (Arøy), Larvik, Vestfold, Norway
Arøyskjærene North, Arøyskjærene (Arøy skerries), Larvik, Vestfold, Norway
Fredriksen's prospect, Arøyskjærene (Arøy skerries), Larvik, Vestfold, Norway
Barkevikskjær, Barkevik area, Larvik, Vestfold, Norway
Skutesundskjær, Barkevik area, Larvik, Vestfold, Norway
Formula: AP2MH2MO4(Si2O7)2(XOM)2(XOA)2
Formula: Na6Ca6Zr3Ti(Si2O7)4O2F6
Localities: Reported from at least 19 localities in this region.
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
References:
Cámara, F., Bosi, F., Skogby, H., Hålenius, U., Celata, B., Ciriotti, M. E. (2022) Schorl-1_A_ from Langesundsfjord (Norway) Journal of GEOsciences, 67 (2) 129-139
References:
Cámara, F., Bosi, F., Skogby, H., Hålenius, U., Celata, B., Ciriotti, M. E. (2022) Schorl-1_A_ from Langesundsfjord (Norway) Journal of GEOsciences, 67 (2) 129-139
Formula: NaMn2+2Si3O8(OH)
References:
Formula: Na4(Si3Al3)O12Cl
Localities: Reported from at least 10 localities in this region.
Formula: ZnS
Localities: Reported from at least 25 localities in this region.
Formula: NaCa4(Si27Al9)O72 · 28H2O
Formula: M6-7[Al8-9Si27-28O72] · nH2O
Formula: (Ce,La,Ca)BSiO5
Habit: elongated prisms with a trigonal appearance
Colour: brownish yellow
Description: One specimen in the collections of the Mineralogisk-Geologisk Museum, Oslo, bought from Ad.Johannnesen in 1906.
Formula: Ca4Ce3+2Ti◻2(B4Si4O22)(OH)2
Localities: Reported from at least 10 localities in this region.
Formula: KLiMg2(Si4O10)F2
References:
Formula: Cu6(Cu4C2+2)Sb4S12S
Habit: 2 mm large masses
Formula: NaCa2[Al5Si5O20] · 6H2O
Localities: Reported from at least 9 localities in this region.
Formula: Th(SiO4)
Localities: Reported from at least 26 localities in this region.
Colour: black
Description: Described by Esmark (1836) as spherical shaped pieces ("kugleformige stykker") to size of a walnut and partly as flat cleavage pieces ("flade brudstykker").
Formula: (Th,Ca2)SiO4 · 3.5H2O
Description: When heated up to 1000 celcius grades, the materiale gave a XRD pattern similar to huttonite (Neumann 1985)
Formula: Th(SiO4)
Localities: Reported from at least 8 localities in this region.
Formula: CaTi(SiO4)O
Localities: Reported from at least 9 localities in this region.
ⓘ Titanite var. Eucolite-Titanite
Formula: CaTi(SiO4)O
Formula: A D3G6 (T6O18)(BO3)3X3Z
Habit: Aggregate of radiating crystals
Colour: Black
Description: Found in one sample, probably from Arøya. Brøgger made a thin section of it and found taht the crystal was zonated with a blue core, a darker blue and a darker brownish rim. (Brøgger 1890)
Formula: Ce5(SiO4,BO4)3(OH,O)
Localities: Reported from at least 12 localities in this region.
ⓘ 'Unnamed (F-analogue of Luinaite-(OH))'
Formula: Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3F
References:
**Kolitsch, Uwe, Andresen, Peter, Husdal, Tomas Andersen, Ertl, Andreas, Haugen, Astrid, Ellingsen, Hans Vidar, Larsen, Alf Olav (2013) Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseum Skrift, 50. 23-41 **Sample possible from Arøya, originally studied by Brøgger (1890)
Formula: Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Colour: green
Description: Clay-like mineral found in a patch of 1 x 1 cm in the middle of a red spreustein pseudomorph. XRD gave powder pattern similar to volkonskoite (Nilssen & Raade 1973), but the content of Cr2O3 was however not determined.
Description: Described by Flink (1988) as manganschwärtze
Description: A sample labelled Weibyeite and collected by W.C.Brøgger in 1902 was showed by Sverdrup et al. (1959) to be bastnäsite-(Ce). Sæbø (1963) rexamined Brøggers "Weibyeite" and found it to be a mixture of Ancylite-(Ce) and bastnäsite-(Ce) pseudomorphs after ancylite-(Ce)
Formula: Na2Ca4ZrNb(Si2O7)2O3F
Localities: Reported from at least 43 localities in this region.
Formula: Pb(MoO4)
Localities:
Arøyskjærene North, Arøyskjærene (Arøy skerries), Larvik, Vestfold, Norway
Tangane, Siktesøya, Porsgrunn, Telemark, Norway
Brønnebukta, Siktesøya, Porsgrunn, Telemark, Norway
Siktesøya, Porsgrunn, Telemark, Norway
Formula: Y(PO4)
Description: Brøgger found in 1879 only two crystals in one pegmatite. The largest of the crystals was 3cm long and 0,5cm thick.
Formula: Zr(SiO4)
Localities: Reported from at least 45 localities in this region.