Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 20459

Minerals found in the sample
Mineral Formula Category Subcategory Importance
AMETHYST (quartz) SiO2 tektosilicates - major
Description
Description: fragments
Origin
  • Country: Tanzania
  • Region: Kigoma Region
  • Locality: Kasulu, Kabanga ridge
Specification
  • Donors: Waleffe
    Donation year:
  • Sampling year: 1957
    Registration date:
  • Quantity: 2
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no