Mineralogy Database

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152 samples matching your criteria

  • Sample n°4801 : rounded oxidised crystal
    Minerals: COLUMBITE TANTALITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5428 : concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5487 : sample with equant grey-green uranmicrolite crystals, black columbo-tantalite
    Minerals: URANMICROLITE COLUMBITE TANTALITE
    Year: 1955
    Country: Brazil
  • Sample n°5877 : black concentrate (mm)
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Congo (RDC)
  • Sample n°5878 : black fine concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5879 : black concentrate (2 mm)
    Minerals: COLUMBITE TANTALITE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5880 : black concentrate (mm)
    Minerals: COLUMBITE TANTALITE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°6004 : sample with bolivarite (uranium-bearing), pink to grey fluorapatite, brown lithiophorite in bolivarite, bright black columbite
    Minerals: BOLIVARITE COERULEOLACTITE COLUMBITE FLUORAPATITE LITHIOPHORITE TANTALITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6115 : concentrate (1-3 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6133 : reworked bluish black crystal
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Congo (RDC)
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