Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 11340

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MAGNESIO-ARFVEDSONITE NaNa2(Mg4Fe3+)Si8O22(OH)2 inosilicates amphiboles major
Description
Description: black needles in cipolin marble
Origin
  • Country: Madagascar
  • Region: Fianarantsoa Province
  • Locality: Andakatany
Specification
  • Donors: Geological Survey of Madagascar
    Donation year: 1967
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size: 2
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
Previous page