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Sample n° 9379
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
MUSCOVITE | KAl2(Si3Al)O10(OH)2 | phyllosilicates | mica | major |
ALBITE | Na(AlSi3O8) | tektosilicates | feldspar | minor |
MICROCLINE | K(AlSi3O8) | tektosilicates | feldspar | minor |
QUARTZ | SiO2 | tektosilicates | - | minor |
Description
Description:
large muscovite plates as part of pegmatite matrix
Origin
- Country: Rwanda
- Region: Gisenyi
- Locality: Shori
Specification
-
Donors: VarlamoffDonation year: 1962
-
Sampling year:Registration date:
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Quantity: 1Size:
-
Dimension code 1>2>3: 1Quality 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