Mineralogy Database

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36 samples matching your criteria

  • Sample n°3137 : crystals on quartz
    Minerals: PYRITE QUARTZ
    Year: 1948
    Country: Congo (RDC)
  • Sample n°4204 : pegmatite blocks (15 cm)
    Minerals: MUSCOVITE
    Year: 1954
    Country: Rwanda
  • Sample n°6503 : black octahedral crystals (5 mm) in quartzite
    Minerals: MAGNETITE
    Year: 1948
    Country: Congo (RDC)
  • Sample n°6504 : dull stalactites (10 cm)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°6540 : schist pervaded with black needles
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°6541 : block of mixed phosphates (10 cm)
    Minerals: HETEROSITE PHOSPHOSIDERITE HUREAULITE
    Year:
    Country: Rwanda
  • Sample n°6545 : stacked plates (25 cm)
    Minerals: MUSCOVITE
    Year: 1953
    Country: Rwanda
  • Sample n°6546 : debris of stony prismatic crystals (10 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°6551 : black needles (1 cm) scattered in pegmatite
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°6552 : debris of stony prismatic crystal (8 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda