Mineralogy Database

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953 samples matching your criteria

  • Sample n°5440 : pale blue block (10 cm)
    Minerals: BERYL
    Year: 1955
    Country: Rwanda
  • Sample n°5441 : brown-pink crystal (3 cm)
    Minerals: TANTALITE-(Mn)
    Year: 1955
    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°6084 : xyloidal tabular crystals on greisen (10 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°6085 : stony emerald-like prismatic crystals (1-5 cm)
    Minerals: BERYL
    Year:
    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°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
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