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Sample n° 10591

Minerals found in the sample
Mineral Formula Category Subcategory Importance
SIMPSONITE Al4Ta3O13(OH) oxides and hydroxides - major
CASSITERITE SnO2 oxides and hydroxides - minor
TANTALITE (Fe2+,Mn2+)Ta2O6 oxides and hydroxides - minor
TANTALITE-(Mn) Mn2+Ta2O6 oxides and hydroxides - minor
Description
Description: mixed rounded blocks (5 cm)
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Masisi, Mumba
Specification
  • Donors: Safiannikoff
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: X
    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: yes
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