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Sample n° 18945

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica major
QUARTZ SiO2 tektosilicates - major
Description
Description: contact between fine-grained greenish muscovite mass (var. oncosine) and coarse-crystalline quartz
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Gatumba
Specification
  • Donors:
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity:
    Size:
  • Dimension code 1>2>3:
    Quality code 1>2>3:
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
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