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Sample n° 12111

Minerals found in the sample
Mineral Formula Category Subcategory Importance
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates, arsenates and vanadates phosphates major
CHALCEDONY (quartz) SiO2 tektosilicates - minor
HEMATITE Fe2O3 oxides and hydroxides - minor
METATORBERNITE Cu(UO2)2(PO4)2•8H2O phosphates, arsenates and vanadates phosphates minor
Description: scattered crystals on rock substrate
Country: France       Region: Puy-de-Dôme       Locality: Lachaux, Bigay Mine
Donors Art Sampling year
Donation year 1969 Registration date
Quantity 1 Dimension code 1>2>3 2
Size 11 x 9 cm Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive yes X-Ray spectra no