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Sample n° 11741
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
CHALCEDONY (quartz) | SiO2 | tektosilicates | - | major |
Description
Description:
chalcedony (var. lussatite) in carbonaceous limestone
Origin
- Country: France
- Region: Puy-de-Dôme
- Locality: Pont-du-Chateau, Mine de Roys
Specification
-
Donors: SteenstraDonation year: 1968
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 1Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no