Mineralogy Database

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20 samples matching your criteria

  • Sample n°2857 : purple block (5 cm)
    Minerals: HETEROSITE
    Year: 1948
    Country: Rwanda
  • Sample n°2858 : purple and pink block (8 cm)
    Minerals: HETEROSITE ALLUAUDITE
    Year: 1948
    Country: Rwanda
  • Sample n°2859 : purple block (4 cm)
    Minerals: FERRISICKLERITE
    Year: 1948
    Country: Rwanda
  • Sample n°2861 : white block (5 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°5904 : concentrate (1.4 % U308)
    Minerals: MICROLITE
    Year: 1957
    Country: Rwanda
  • Sample n°5905 : concentrate (1.33 % U3O8)
    Minerals: MICROLITE
    Year: 1957
    Country: Rwanda
  • Sample n°6083 : large transparent yellowish crystal
    Minerals: TOPAZ
    Year: 1957
    Country: Rwanda
  • Sample n°6106 : sample with traces of autunite, rutherfordine as yellow powder, in muscovite-bearing pegmatite
    Minerals: AUTUNITE RUTHERFORDINE
    Year: 1957
    Country: Rwanda
  • Sample n°7971 : black crystals and spots (1 cm) in quartz (20 cm)
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°7973 : white block (12 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
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