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Sample n° 14136

Minerals found in the sample
Mineral Formula Category Subcategory Importance
SCHORL NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) cyclosilicates tourmaline major
GARNET (Ca,Fe,Mg,Mn)3(Al,Fe,Mn,Cr,Ti,V)2(SiO4)3 nesosilicates garnet minor
ORTHOCLASE K(AlSi3O8) tektosilicates feldspar minor
Description
Description: pegmatite (15 cm) with black schorl crystals, pink garnet, grey orthoclase (var. hyalophane)
Origin
  • Country: Burundi
  • Region:
  • Locality:
Specification
  • Donors: Tack
    Donation year: 1984
  • 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: yes
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