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Sample n° 9631
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
BIOTITE | K(Fe2+,Mg)3(AlSi3O10)(OH)2 | phyllosilicates | mica | major |
MUSCOVITE | KAl2(Si3Al)O10(OH)2 | phyllosilicates | mica | major |
Description
Description:
mixed micaceous block (7 cm)
Origin
- Country: Rwanda
- Region: Gisenyi
- Locality: Kirengo
Specification
-
Donors: VarlamoffDonation year:
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
-
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