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Sample n° 10901
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
ALMANDINE | Fe2+3Al2(SiO4)3 | nesosilicates | garnet | major |
GRUNERITE | [ ]Fe2+2Fe2+5Si8O22(OH)2 | inosilicates | amphiboles | major |
MAGNETITE | Fe2+Fe3+2O4 | oxides and hydroxides | spinel | minor |
Description
Description:
white fibrous material and red round crystals on block (12 cm)
Origin
- Country: France
- Region: Var
- Locality: Collobrière
Specification
-
Donors: BRGM ParisDonation year: 1966
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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: yes