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Sample n° 12049
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
OPAL | SiO2nH2O | tektosilicates | - | major |
Description
Description:
colourless to yellowish glass-like opal on substrate, bright green fluorescence
Origin
- Country: Rwanda
- Region: Kibuye
- Locality: Mara
Specification
-
Donors: PetricecDonation year:
-
Sampling year:Registration date:
-
Quantity:Size:
-
Dimension code 1>2>3:Quality code 1>2>3:
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no