Mineralogy Database

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5 samples matching your criteria

  • Sample n°11295 : flattened prismatic crystal (12 cm), smoky quartz
    Minerals: QUARTZ
    Year: 1967
    Country: Madagascar
  • Sample n°11332 : fragment with coarse-fibrous aspect (radioactive)
    Minerals: EUXENITE-(Y)
    Year: 1967
    Country: Madagascar
  • Sample n°11333 : black fragment with glassy lustre, conchoidal fracture
    Minerals: SAMARSKITE-(Y)
    Year: 1967
    Country: Madagascar
  • Sample n°11334 : fragments
    Minerals: FERGUSONITE
    Year: 1967
    Country: Madagascar
  • Sample n°13809 : black crystal, cleavage
    Minerals: COLUMBITE TANTALITE
    Year: 1980
    Country: Madagascar
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