Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 6823

Minerals found in the sample
Mineral Formula Category Subcategory Importance
NONTRONITE Na0,3Fe3+2(Si,Al)4O10(OH)2•nH2O phyllosilicates smectite major
Description
Description: grass-green clayey block (8 cm)
Origin
  • Country: France
  • Region: Haute-Vienne
  • Locality: Saint-Yrieix, Marcognac Mine
Specification
  • Donors: Polinard
    Donation year: 1954
  • 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
Previous page