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Sample n° 8532
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
HYDROKENOELSMOREITE | [ ]2W2O6(H2O) | molybdates and tungstates | - | major |
WOLFRAMITE | (Fe2+,Mn2+)(WO4) | molybdates and tungstates | - | minor |
Description
Description:
altered black crystals with yellow alteration in vein quartz, with hydrokenoesmoreite (var. ferritungstite)
Information:
Van Tassel, R., 1961. Ferritungstite et meymacite de Meymac, France, et d'Afrique centrale. Bulletin de la Société Belge de Géologie 70, 376-406.
Origin
- Country: Rwanda
- Region: Kigali
- Locality: Musha
Specification
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Donors: LhoestDonation year:
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Sampling year:Registration date:
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Quantity: 3Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no