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Sample n° 9328

Minerals found in the sample
Mineral Formula Category Subcategory Importance
ALBITE Na(AlSi3O8) tektosilicates feldspar major
MICA K(Al,Fe,Mg)2(Si3Al)O10(OH)2 phyllosilicates mica minor
QUARTZ SiO2 tektosilicates - minor
Description
Description: large block of greisen (30 cm)
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Rongi
Specification
  • Donors: Varlamoff
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 1
    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
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