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Sample n° 6881
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
CHAMOSITE | (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 | phyllosilicates | chlorite | major |
Description
Description:
purplish black and brown block (10 cm), var. bavalite
Information:
specimen from type locality
Origin
- Country: France
- Region: Côtes-d'Armor
- Locality: Saint-Brieuc, Quintin Bavalou
Specification
-
Donors: PolinardDonation year: 1954
-
Sampling year:Registration date:
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Quantity: 1Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no