Mineralogy Database

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1547 samples matching your criteria

  • Sample n°9738 : stony prismtic crystals in pegmatte (30 cm), isolated prismatic crystal (5 cm)
    Minerals: BERYL ALBITE
    Year:
    Country: Rwanda
  • Sample n°9742 : white coating on quartz
    Minerals: KAOLINITE
    Year:
    Country: Rwanda
  • Sample n°9743 : black crystals (1-2 cm)
    Minerals: RUTILE
    Year:
    Country: Rwanda
  • Sample n°9744 : fragmented black vein in white quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9746.1 : layered massive block (9 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9746.2 : brown crystalline crusts (1 cm) in tourmaline-bearing layered quartzite
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9747 : white fibro-radial aggregates in quartzite (18 cm)
    Minerals: TREMOLITE
    Year:
    Country: Rwanda
  • Sample n°9748 : dark green fibro-radial actinolite (13 cm)
    Minerals: ACTINOLITE
    Year:
    Country: Rwanda
  • Sample n°9749 : pink crystals in pegmatite
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9750 : blue apatite in greisen
    Minerals: APATITE
    Year:
    Country: Rwanda