Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 8937

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BIOTITE K(Fe2+,Mg)3(AlSi3O10)(OH)2 phyllosilicates mica major
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica major
QUARTZ SiO2 tektosilicates - minor
TOURMALINE - cyclosilicates tourmaline minor
Description
Description: very large block
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Shori
Specification
  • Donors: Bertossa
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size: 1
  • 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