Mineralogy Database

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Sample n° 1726

Minerals found in the sample
Mineral Formula Category Subcategory Importance
STAUROLITE Fe2+2Al9Si4O23(OH) nesosilicates - major
BIOTITE K(Fe2+,Mg)3(AlSi3O10)(OH)2 phyllosilicates mica minor
Description
Description: dark brown prismatic crystals in biotitite
Origin
  • Country: Congo (RDC)
  • Region: Bas-Congo
  • Locality: Boma
Specification
  • Donors: Meulenbergh
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 3
    Size: 2
  • 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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