Mineralogy Database
Search |
About the mineralogy database |
Contact
Sample n° 16033
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
AMETHYST (quartz) | SiO2 | tektosilicates | - | major |
Description
Description:
aggregates with deep purple colour
Origin
- Country: Rwanda
- Region: Gitarama
- Locality: Muyunzwe
Specification
-
Donors: GerardsDonation year: 1967
-
Sampling year:Registration 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