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Sample n° 10689
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
MICA | K(Al,Fe,Mg)2(Si3Al)O10(OH)2 | phyllosilicates | mica | major |
Description
Description:
earthy white altered blocks (2-8 cm)
Origin
- Country: Rwanda
- Region: Gisenyi
- Locality: Kirengo
Specification
-
Donors: Bertossa GerardsDonation year: 1965
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Sampling year:Registration date:
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Quantity: 5Size: 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: yes