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Sample n° 14197
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
SCHORL | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | cyclosilicates | tourmaline | major |
Description
Description:
lot of black rough stones (5-10 mm)
Origin
- Country: India
- Region: Kerala
- Locality:
Specification
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Donors: GoossensDonation year: 1983
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Sampling year:Registration date:
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Quantity: XSize: 3
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Dimension code 1>2>3: 2Quality 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