Mineralogy Database

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1547 samples matching your criteria

  • Sample n°18581 : coarse-crystalline block
    Minerals: DOLOMITE
    Year:
    Country: Rwanda
  • Sample n°18582 : coarse-crystalline material, formerly interpreted as carbonatite deposit
    Minerals: DOLOMITE
    Year:
    Country: Rwanda
  • Sample n°18583 : massive fragment
    Minerals: HETEROSITE
    Year:
    Country: Rwanda
  • Sample n°18691 : greisen with abundant caasiterite
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°18692 : radial aggregates in matrix
    Minerals: ACTINOLITE
    Year:
    Country: Rwanda
  • Sample n°18694 : aggregates in matrix
    Minerals: KRYZHANOVSKITE
    Year: 2019
    Country: Rwanda
  • Sample n°18739 : medium to large black lustrous crystals and aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18740 : small black lustrous crystals, crystal fragments and aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18741 : dark brown crystals and aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18742 : black to dark brown bi-coloured crystals
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
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