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Sample n° 10680

Minerals found in the sample
Mineral Formula Category Subcategory Importance
LEPIDOLITE KLi2AlSi4O10F2 phyllosilicates mica major
ELBAITE Na(Al1,5Li1,5)Al6(Si6O18)(BO3)3(OH)3(OH) cyclosilicates tourmaline minor
Description
Description: blocks of purple muscovitite (10 and 20 cm) with green prismatic crystals
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Nyarigamba
Specification
  • Donors: Gerards
    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
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