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Sample n° 10680
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
LEPIDOLITE | KLi2AlSi4O10F2 | phyllosilicates | mica | major |
ELBAITE | Na(Al1,5Li1,5)Al6(Si6O18)(BO3)3(OH)3(OH) | cyclosilicates | tourmaline | minor |
Description
Description:
blocks of purple muscovitite (10 and 20 cm) with green prismatic crystals
Origin
- Country: Rwanda
- Region: Gisenyi
- Locality: Nyarigamba
Specification
-
Donors: GerardsDonation year:
-
Sampling year:Registration date:
-
Quantity: 2Size: 1
-
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