Wöhlerite
A valid IMA mineral species - grandfathered
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About Wöhlerite
Friedrich Wöhler
Formula:
Na2Ca4ZrNb(Si2O7)2O3F
Colour:
Honey yellow, wine yellow to sulfur yellow, light to dark yellow, brown, gray
Lustre:
Vitreous
Hardness:
5½ - 6
Specific Gravity:
3.40 - 3.44
Crystal System:
Monoclinic
Member of:
Name:
Named after the German chemist Friedrich Wöhler (31 July 1800, Eschersheim, Landgraviate of Hesse-Kassel, Holy Roman Empire - 23 September 1882, Göttingen, German Empire), professor of chemistry in the University of Göttingen (Germany). He was the first to isolate the chemical elements beryllium and yttrium in pure metallic form.
Type Locality:
First described by Scheerer (1843) from several syenite pegmatites in Langesundsfjorden, Norway, among them Løvøya. The exact type locality is not known, but since Løvøya was mentioned specially by Scheerer (1843) this island has become listed as the type locality in several publications.
The crystal structure was solved by Mellino & Merlino (1979) on a sample from "Brevig" (= Langesundsfjorden, Norway.
Occurs in syenite pegmatite, syenites and carbonatites.
The crystal structure was solved by Mellino & Merlino (1979) on a sample from "Brevig" (= Langesundsfjorden, Norway.
Occurs in syenite pegmatite, syenites and carbonatites.
Unique Identifiers
Mindat ID:
4303
Long-form identifier:
mindat:1:1:4303:4
GUID
(UUID V4):
(UUID V4):
b7134864-5313-4986-bae0-76b838e01342
IMA Classification of Wöhlerite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Na2Ca4Zr(Nb,Ti)(Si2O7)2(O,F)4
First published:
1843
Classification of Wöhlerite
9.BE.17
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
56.2.4.5
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
17.8.10
17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate
17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Wöh | 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 Wöhlerite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Honey yellow, wine yellow to sulfur yellow, light to dark yellow, brown, gray
Streak:
Yellowish white; pale yellow
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct on {010}
Poor on {100}{110}
Distinct on {010}
Poor on {100}{110}
Fracture:
Irregular/Uneven, Splintery
Density:
3.40 - 3.44 g/cm3 (Measured) 3.42 g/cm3 (Calculated)
Optical Data of Wöhlerite
Type:
Biaxial (-)
RI values:
nα = 1.700 - 1.705 nβ = 1.716 - 1.720 nγ = 1.726 - 1.728
2V:
Measured: 70° to 77°, Calculated: 70° to 76°
Max Birefringence:
δ = 0.026
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Optical Extinction:
Z = b; X ∧ c = 45°.
Pleochroism:
Weak
Comments:
X=Y= nearly colorless to pale yellow
Z= wine-yellow
Z= wine-yellow
Chemistry of Wöhlerite
Mindat Formula:
Na2Ca4ZrNb(Si2O7)2O3F
Common Impurities:
Ti,Hf,Al,Y,Ce,La,Fe,Ta,Mn,Mg,Sr
Chemical Analysis
Oxide wt%:
| 1 | 2 | |
|---|---|---|
| SiO2 | 30.12 % | 30.62 % |
| TiO2 | 0.42 % | % |
| ZrO2 | 16.11 % | 15.17 % |
| Fe2O3 | 0.48 % | % |
| REE2O3 | 0.66 % | % |
| Nb2O5 | 12.85 % | 14.47 % |
| FeO | 1.26 % | 2.12 % |
| MnO | 1.00 % | 1.55 % |
| MgO | 0.12 % | 0.42 % |
| CaO | 26.95 % | 26.08 % |
| Na2O | 7.50 % | 8.08 % |
| H2O | 0.74 % | 0.24 % |
| F | 2.98 % | % |
| -O=F | -1.26 % | % |
| Total: | 99.93 % | 98.75 % |
Sample references:
| ID | Type | Locality | Reference | Notes |
|---|---|---|---|---|
| 1 | Skutesundskjær, Barkevik area, Larvik, Vestfold, Norway | wet-chemical analysis by P. T. Cleve. The sample studied is most probably from Skudesundskjaer. | ||
| 2 | Type Specimen | Løvøya, Porsgrunn, Telemark, Norway | Wet-chemical analysis, Nb erroneously reported as Ta by Scheerer. Locality probably Loevoya |
Crystallography of Wöhlerite
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 10.823(3) Å, b = 10.244(3) Å, c = 7.290(2) Å
β = 109.00(4)°
β = 109.00(4)°
Ratio:
a:b:c = 1.057 : 1 : 0.712
Unit Cell V:
764.21 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Prismatic crystals to 3 cm, granular. Thick tabular on {100}. Brøgger (1890) list these forms as the more frequent ones {100}, {110}, {210}, {120}, {130}, {001}, {101}, {101}, {111} and {011}. Other forms observed are {010}, {720}, {012}, {021}, {111}, {121}, {311}, {201}, {212}, {121}, {211}, {221} and {161}.
Twinning:
Twin plane {010} common; may be complex, lamellar.
Crystallographic forms of Wöhlerite
Crystal Atlas:
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Wöhlerite no.22 - Goldschmidt (1913-1926)
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X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.839 Å | (100) |
| 2.998 Å | (70) |
| 3.25 Å | (60) |
| 2.965 Å | (50) |
| 2.014 Å | (40) |
| 1.689 Å | (40) |
| 7.26 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites | |
| 35 : Ultra-alkali and agpaitic igneous rocks | |
| 36 : Carbonatites, kimberlites, and related igneous rocks |
Geological Setting:
Late phase of alkalid pegmatites, nepheline syenites, fenites, carbonatites.
Type Occurrence of Wöhlerite
Geological Setting of Type Material:
Syenite pegmatite
Associated Minerals at Type Locality:
Reference:
Scheerer, Th. (1843) Über den Wöhlerit, eine neue Mineralspecies. Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C. Poggendorff). 59: 327-336
Synonyms of Wöhlerite
Other Language Names for Wöhlerite
Relationship of Wöhlerite to other Species
Member of:
Other Members of this group:
| Baghdadite | Ca6Zr2(Si2O7)2O4 | Mon. 2/m : P21/b |
| Burpalite | Na2CaZr(Si2O7)F2 | Mon. 2/m : P21/b |
| Cuspidine | Ca8(Si2O7)2F4 | Mon. 2/m : P21/b |
| Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 | Tric. 1 : P1 |
| Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 | Mon. 2/m : P21/m |
| Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 | Mon. 2/m : P21/b |
| Madeiraite | Na2Ca2Fe2Zr2(Si2O7)2O2F2 | Mon. 2/m : P21/b |
| Moxuanxueite | NaCa6Zr(Si2O7)2OF3 | Tric. 1 : P1 |
| Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 | Mon. m |
| Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF | Mon. 2/m : P21/b |
| Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 | Mon. 2/m : P21/b |
Common Associates
Associated Minerals Based on Photo Data:
| 42 photos of Wöhlerite associated with Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| 29 photos of Wöhlerite associated with Microcline | K(AlSi3O8) |
| 16 photos of Wöhlerite associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| 10 photos of Wöhlerite associated with Fluorite | CaF2 |
| 10 photos of Wöhlerite associated with Sanidine | K(AlSi3O8) |
| 9 photos of Wöhlerite associated with Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| 9 photos of Wöhlerite associated with Nepheline | Na3K(Al4Si4O16) |
| 8 photos of Wöhlerite associated with Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| 6 photos of Wöhlerite associated with Zircon | Zr(SiO4) |
| 5 photos of Wöhlerite associated with Aegirine | NaFe3+Si2O6 |
Related Minerals - Strunz-mindat Grouping
| 9.BE. | Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) |
| 9.BE. | Cámaraite | Ba3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7 |
| 9.BE. | Christofschäferite-(Ce) | Ce3CaMnTiFe(3+)Ti2(Si2O7)2O8 |
| 9.BE. | Bobshannonite | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 |
| 9.BE. | Calciomurmanite | (Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4 |
| 9.BE. | Batievaite-(Y) | Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 |
| 9.BE. | Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 |
| 9.BE.X | Asimowite | Fe2+4O(Si2O7) |
| 9.BE. | Moxuanxueite | NaCa6Zr(Si2O7)2OF3 |
| 9.BE. | Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) |
| 9.BE. | Biraite-(La) | La2Fe2+(CO3)(Si2O7) |
| 9.BE. | Zinkgruvanite | Ba4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2 |
| 9.BE. | Madeiraite | Na2Ca2Fe2Zr2(Si2O7)2O2F2 |
| 9.BE. | Bortolanite | Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 |
| 9.BE. | Nacareniobsite-(Y) | Na3Ca3YNb(Si2O7)2OF3 |
| 9.BE. | Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 |
| 9.BE. | Alfredcasparite | Sr2TiO(Si2O7) |
| 9.BE.02 | Wadsleyite | Mg4O(Si2O7) |
| 9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Lawsonite | CaAl2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Cortesognoite | CaV2(Si2O7)(OH)2 · H2O |
| 9.BE.07 | Ilvaite | CaFe3+Fe2+2(Si2O7)O(OH) |
| 9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) |
| 9.BE.07 | Amamoorite | CaMn2+2Mn3+(Si2O7)O(OH) |
| 9.BE.10 | Suolunite | Ca2(H2Si2O7) · H2O |
| 9.BE.12 | Jaffeite | Ca6(Si2O7)(OH)6 |
| 9.BE.15 | Fresnoite | Ba2Ti(Si2O7)O |
| 9.BE.17 | Baghdadite | Ca6Zr2(Si2O7)2O4 |
| 9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 |
| 9.BE.17 | Cuspidine | Ca8(Si2O7)2F4 |
| 9.BE.17 | Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 |
| 9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 |
| 9.BE.17 | Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| 9.BE.17 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 |
| 9.BE.17 | Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF |
| 9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| 9.BE.20 | Nacareniobsite-(Ce) | Na3Ca3(Ce,REE)Nb(Si2O7)2OF3 |
| 9.BE.20 | Roumaite | (Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3 |
| 9.BE.20 | Rinkite-(Y) | Na2Ca4YTi(Si2O7)2OF3 |
| 9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 |
| 9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 |
| 9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 |
| 9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 |
| 9.BE.22 | Fogoite-(Y) | Na3Ca2Y2Ti(Si2O7)2OF3 |
| 9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 |
| 9.BE.25 | Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) |
| 9.BE.25 | Ericssonite | BaMn2+2Fe3+(Si2O7)O(OH) |
| 9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 |
| 9.BE.25 | Ericssonite-2O | BaMn2+2Fe3+(Si2O7)O(OH) |
| 9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 |
| 9.BE.25 | Nabalamprophyllite | (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2 |
| 9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 |
| 9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 |
| 9.BE.25 | Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 |
| 9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 |
| 9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 |
| 9.BE.25 | Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 |
| 9.BE.25 | Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 |
| 9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] |
| 9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O |
| 9.BE.27 | Vigrishinite | NaZnTi4(Si2O7)2O3(OH)(H2O)4 |
| 9.BE.27 | Kolskyite | CaNa2Ti4(Si2O7)2O4(H2O)7 |
| 9.BE.27 | Selivanovaite | NaFe3+Ti4(Si2O7)2O4(H2O)4 |
| 9.BE.30 | Epistolite | (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4 |
| 9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 |
| 9.BE.35 | Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) |
| 9.BE.37 | Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 |
| 9.BE.40 | Innelite | Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] |
| 9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F |
| 9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) |
| 9.BE.45 | Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 |
| 9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 |
| 9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F |
| 9.BE.50 | Shkatulkalite | Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 |
| 9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 |
| 9.BE.55 | Hejtmanite | Ba2Mn2+4Ti2(Si2O7)2O2(OH)2F2 |
| 9.BE.55 | Bykovaite | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2O |
| 9.BE.55 | Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O |
| 9.BE.60 | Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O |
| 9.BE.62 | Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| 9.BE.62 va | Strontium Perrierite | (Ce,Sr,La,Ca)4Fe2+(Ti,Zr,Fe)2Ti2(Si2O7)2O8 |
| 9.BE.62 | Chevkinite-(Nd) | (Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ? |
| 9.BE.62 | Perrierite-(Nd) | Nd4MgFe3+2Ti2(Si2O7)2O8 ? |
| 9.BE.65 | Bussenite | Na2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3F |
| 9.BE.67 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F |
| 9.BE.67 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F |
| 9.BE.70 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O |
| 9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 |
| 9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 |
| 9.BE.70 | Chevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
| 9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 |
| 9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 |
| 9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 |
| 9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8 |
| 9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 |
| 9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 |
| 9.BE.70 | UM2008-53-SiO:SrTiZr | Sr4ZrTi4(Si2O7)2O8 |
| 9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 |
| 9.BE.72 | Fersmanite | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 |
| 9.BE.75 | Belkovite | Ba3(Nb,Ti)6(Si2O7)2O12 |
| 9.BE.77 | Nasonite | Pb6Ca4(Si2O7)3Cl2 |
| 9.BE.80 | Kentrolite | Pb2Mn3+2(Si2O7)O2 |
| 9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 |
| 9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 |
| 9.BE.82 | Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) |
| 9.BE.85 | Killalaite | Ca6.4(H0.6Si2O7)2(OH)2 |
| 9.BE.87 | Stavelotite-(La) | (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 |
| 9.BE.90 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) |
| 9.BE.90 | Magnesiorowlandite-(Y) | Y4(Mg,Fe)(Si2O7)2F2 |
| 9.BE.92 | Cervandonite-(Ce) | (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) |
| 9.BE.92 | Chirvinskyite | (Na,Ca)13(Fe,Mn,◻)2(Ti,Zr)5(Si2O7)4(OH,O)12 · 2H2O |
| 9.BE.95 | Batisivite | BaV3+8Ti6(Si2O7)O22 |
| 9.BE.95 | Rusinovite | Ca10(Si2O7)3Cl2 |
| 9.BE.97 | Schlüterite-(Y) | (Y,REE)2AlSi2O7(OH)2F |
Other Information
Notes:
Cathodoluminescence is blue-green.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Wöhlerite
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References for Wöhlerite
Reference List:
Scheerer, Th. (1843) Ueber den Wöhlerit, eine neue Mineralspecies. Annalen der Physik und Chemie, 135. 327-336 doi:10.1002/andp.18431350611
Localities for Wöhlerite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
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Laacher See Volcanic Complex, Germany