Mineralogy Database

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379 samples matching your criteria

  • Sample n°12833 : yellow massive blocks
    Minerals: MICROLITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12834 : brown ball-shaped crystals in altered pegmatite
    Minerals: SPESSARTINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12835 : tabular crystals (5 cm) in quartz veins
    Minerals: QUARTZ MUSCOVITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12836 : heavy grey-yellow microlite with enclosed black tantalite
    Minerals: MICROLITE TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12890 : brown crystals in ferruginous matrix
    Minerals: WOLFRAMITE GOETHITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12927 : grey and white layered block (10 cm)
    Minerals: FLUORAPATITE
    Year: 1970
    Country: Congo (RDC)
  • Sample n°12931 : green acicular actinolite on pink limestone
    Minerals: ACTINOLITE
    Year: 1972
    Country: Rwanda
  • Sample n°12932 : sample with green autunite on stony beryl
    Minerals: AUTUNITE BERYL
    Year: 1972
    Country: Rwanda
  • Sample n°12933 : stony prismatic crystal (18 cm), covered with pale green platelets
    Minerals: BERYL MUSCOVITE
    Year: 1972
    Country: Rwanda
  • Sample n°12934 : debris of pink stony prismatic crystals (6 cm)
    Minerals: BERYL
    Year: 1972
    Country: Rwanda
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