Mineralogy Database

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Sample n° 12493

Minerals found in the sample
Mineral Formula Category Subcategory Importance
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - major
MICROLITE (Ca,Na)2Ta2O6(OH) oxides and hydroxides - major
TANTALITE-(Mn) Mn2+Ta2O6 oxides and hydroxides - major
WODGINITE Mn2+Sn4+Ta2O8 oxides and hydroxides - major
Description
Description: crystals, fragments, matrix occurrence
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Gatumba
Specification
  • Donors: Comblain
    Donation year: 1970
  • Sampling year:
    Registration date:
  • Quantity: 3
    Size:
  • Dimension code 1>2>3: 1
    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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