Mineralogy Database

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Sample n° 11691

Minerals found in the sample
Mineral Formula Category Subcategory Importance
ANDALUSITE Al2SiO5 nesosilicates - major
CHLORITOID Fe2+Al2O(SiO4)(OH)2 nesosilicates - major
BIOTITE K(Fe2+,Mg)3(AlSi3O10)(OH)2 phyllosilicates mica minor
Description
Description: black and white layered block (10 cm)
Origin
  • Country: Burundi
  • Region: Ruyigi
  • Locality:
Specification
  • Donors: Waleffe
    Donation year: 1968
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: no