Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 12108

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PSEUDOMALACHITE Cu5(PO4)2(OH)4 phosphates - major
CHALCEDONY (quartz) SiO2 tektosilicates - minor
Description
Description: sample with pseudomalachite as green nodules and as small crystals on nodules, white chalcedony (radioactive sample)
Origin
  • Country: France
  • Region: Puy-de-Dôme
  • Locality: Lachaux, Bigay Mine
Specification
  • Donors: Art
    Donation year: 1969
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 8 x 7 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes