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Sample n° 14939
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
CORDIERITE | Mg2Al4Si5O18 | cyclosilicates | - | major |
Description
Description:
purplish transparent fragment, var. iolite
Origin
- Country: Tanzania
- Region:
- Locality:
Specification
-
Donors:Donation year: 1994
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 2Quality code 1>2>3: 2
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no