Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 16093

Minerals found in the sample
Mineral Formula Category Subcategory Importance
RANKAMAITE (Na,K)3(Ta,Nb,Al)11(O,OH)31 oxides and hydroxides - major
CASSITERITE SnO2 oxides and hydroxides - minor
SIMPSONITE Al4Ta3O13(OH) oxides and hydroxides - minor
TANTALITE-(Mn) Mn2+Ta2O6 oxides and hydroxides - minor
Description
Description: white fine-grained rankamite, replacing cassiterite, tantalite-(Mn) and simpsonite
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Masisi, Mumba
Specification
  • Donors: Feinglos
    Donation year: 2009
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • 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
Previous page