Mineralogy Database

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Sample n° 8768

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BIOTITE K(Fe2+,Mg)3(AlSi3O10)(OH)2 phyllosilicates mica major
Description
Description: sample with biotite in uraniferous breccia
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Karago
Specification
  • Donors: Service Géologique du Rwanda
    Donation year: 1960
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 3 x 2 cm
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: no