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Sample n° 14914
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
PLAGIOCLASE | (Na,Ca)(Al1+xSi3-x)O8 | tektosilicates | feldspar | major |
Description
Description:
greyish cut stone (cabochon cut), var. labradorite
Origin
- Country: Madagascar
- Region:
- Locality:
Specification
-
Donors:Donation year: 1994
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
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