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Sample n° 6889
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
GLAUCOPHANE | [ ]Na2(Mg3Al2)Si8O22(OH)2 | inosilicates | amphiboles | major |
Description
Description:
grey-blue glaucophanite (7 cm)
Origin
- Country: France
- Region: Morbihan
- Locality: Ile de Groix
Specification
-
Donors: PolinardDonation year: 1954
-
Sampling year:Registration date:
-
Quantity: 1Size: 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: no