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Sample n° 17026
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
AMPHIBOLE | inosilicates | amphiboles | major | |
CORUNDUM | Al2O3 | oxides and hydroxides | - | major |
ZOISITE | Ca2Al3[Si2O7][SiO4]O(OH) | sorosilicates | epidote | major |
Description
Description:
corundum (var. ruby) in green matrix
Origin
- Country: Tanzania
- Region: Tanga Region
- Locality: Umba Valley
Specification
-
Donors: KlerkxDonation year:
-
Sampling year: 1987Registration date:
-
Quantity: 2Size:
-
Dimension code 1>2>3: 1Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no