Mineralogy Database

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331 samples matching your criteria

  • Sample n°10248 : bright black twinned crystal (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10250 : crystal (1 cm) in grey schist, var. chiastolite
    Minerals: ANDALUSITE
    Year:
    Country: Rwanda
  • Sample n°10251 : plate (10 cm) of small grey crystals
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10252 : slightly emerald-like stony prismatic crystals (3-4 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°10253 : purple-grey block (12 cm)
    Minerals: HEMATITE
    Year:
    Country: Rwanda
  • Sample n°10254 : rounded white crystals (1-2 cm)
    Minerals: CORUNDUM
    Year:
    Country: Rwanda
  • Sample n°10255 : slightly emerald-like stony prismatic crystal (12 cm)
    Minerals: BERYL
    Year: 1963
    Country: Rwanda
  • Sample n°10256 : debris of crystals
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10257 : bright brown crystals (1-4 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10258 : black striated plate (2 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
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