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Sample n° 11213
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
QUARTZ | SiO2 | tektosilicates | - | major |
Description
Description:
clear prismatic crystals (5-25 cm)
Origin
- Country: Brazil
- Region: Minas Gerais
- Locality: Tiradentes, Sao Joao del Rey road
Specification
-
Donors: DelhalDonation year: 1966
-
Sampling year:Registration date:
-
Quantity: 6Size: 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