Mineralogy Database

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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
    Donation year: 1968
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no