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Sample n° 13290
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
QUARTZ | SiO2 | tektosilicates | - | major |
Description
Description:
black bipyramidal crystal (4 cm), and small crystals
Origin
- Country: Tunisia
- Region: Sidi Bou Zid Governorate
- Locality: GP3-GP13 intersection
Specification
-
Donors: DerbecqueDonation year: 1975
-
Sampling year:Registration date:
-
Quantity: XSize: 2
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no