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⇱ Wolfsriedite: Mineral information, data and localities.

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Wolfsriedite

A valid IMA mineral species - pending publication
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About WolfsriediteHide

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Formula:
Pb[(UO2)2(W6+Fe3+)O7(OH)](H2O)3
Colour:
Dark olive-green, blackish
Crystal System:
Monoclinic
Name:
Named after Stephan Wolfsried (b. 15 Oct 1958), German collector and photographer (one of the pioneers of the stacking method for microscopic photography), who provided the type material.
Chemically and structurally related to uranotungstite.


Unique IdentifiersHide

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Mindat ID:
472203
Long-form identifier:
mindat:1:1:472203:4

IMA Classification of WolfsriediteHide

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Approved, Pending publication

Classification of WolfsriediteHide

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7.HB.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
H : Uranium and uranyl molybdates and wolframates
B : With U6+

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.

SymbolSourceReference for Standard
WfrIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of WolfsriediteHide

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Colour:
Dark olive-green, blackish

Chemistry of WolfsriediteHide

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Mindat Formula:
Pb[(UO2)2(W6+Fe3+)O7(OH)](H2O)3
Element Weights:
Element% weight
U40.689 %
O20.512 %
Pb17.710 %
W15.713 %
Fe4.773 %
H0.603 %

Calculated from ideal end-member formula.

Crystallography of WolfsriediteHide

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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 6.3598(4) Å, b = 7.4753(4) Å, c = 14.080(2) Å
β = 98.699(9)°
Ratio:
a:b:c = 0.851 : 1 : 1.884
Unit Cell V:
661.68 ų (Calculated from Unit Cell)

Type Occurrence of WolfsriediteHide

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Place of Conservation of Type Material:
Cotype material is deposited in the mineralogical collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6187/1, and the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 76190

Other Language Names for WolfsriediteHide

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Common AssociatesHide

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Associations Based on Photo Data:
5 photos of Wolfsriedite associated with QuartzSiO2
1 photo of Wolfsriedite associated with ProsopiteCaAl2F4[(OH)4-xFx]

Related Minerals - Strunz-mindat GroupingHide

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7.HB.15CalcurmoliteCa[(UO2)3(MoO4)2(OH)4](H2O)~5.0Mon.
7.HB.20TengchongiteCa(UO2)6(MoO4OH)2O2(OH)4 · 9H2OOrth. 222
7.HB.25Uranotungstite(Ba0.35Pb0.27)Σ0.62[(U6+O2)2(W6+0.98Fe3+0.26◻0.75)O4.7(OH)2.5(H2O)1.75](H2O)1.67Mon. 2/m : P21/m

RadioactivityHide

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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.

Internet Links for WolfsriediteHide

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mindat.org URL:
https://www.mindat.org/min-472203.html
Please feel free to link to this page.

References for WolfsriediteHide

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Localities for WolfsriediteHide

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Showing 1 localities.

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

Locality ListHide

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👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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.
Germany (TL)
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
Bosi et al. (2025)
Quick NavTopAbout WolfsriediteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography Type Occurrence Other LanguagesCommon AssociatesStrunz-MindatRadioactivityOther InformationInternet Links References Localities Locality List
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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