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Sample n° 11724

Minerals found in the sample
Mineral Formula Category Subcategory Importance
FLUORITE CaF2 halides - major
CHALCEDONY (quartz) SiO2 tektosilicates - minor
QUARTZ SiO2 tektosilicates - minor
Description
Description: multicoloured breccious block (16 cm)
Origin
Country: France       Region: Puy-de-Dôme       Locality: Volvic, St Jacques d'Ambur
Specification
Donors Comblain Sampling year
Donation year 1968 Registration date
 
Quantity 1 Dimension code 1>2>3 3
Size 2 Quality code 1>2>3 1
 
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no