Mineralogy Database

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13 samples matching your criteria

  • Sample n°10115 : sample with roscoelite as grey powder, some brown baryte crystals (radioactive sample)
    Minerals: ROSCOELITE BARYTE
    Year: 1964
    Country: Gabon
  • Sample n°10116 : sample with francevillite as canary-yellow crust or impregnation and as isolated yellow to orange crystals, microcrystalline chervetite coating in one spot
    Minerals: FRANCEVILLITE CHERVETITE
    Year: 1964
    Country: Gabon
  • Sample n°10151 : specular lamellae in pegmatite
    Minerals: HEMATITE MICROCLINE
    Year: 1964
    Country: Zambia
  • Sample n°10153 : blue points in lava
    Minerals: LAZURITE
    Year: 1964
    Country: Zambia
  • Sample n°10188 : pale blue crusts on block (10 cm)
    Minerals: MANSFIELDITE
    Year: 1964
    Country: France
  • Sample n°10906 : sample with fluorite, red thorite (var. orangite), little black columbo-tantalite
    Minerals: FLUORITE COLUMBITE TANTALITE THORITE
    Year:
    Country: Sweden
  • Sample n°10907 : sample with yttrotantalite as black spots, grey-pink zircon, traces of fluorite (purple)
    Minerals: YTTROTANTALITE-(Y) FLUORITE ZIRCON
    Year:
    Country: Sweden
  • Sample n°11380 : bundles of black prismatic crystals on blocks (8-15 cm)
    Minerals: ILVAITE
    Year: 1967
    Country: Italy
  • Sample n°11398 : sample with large metatorbernite crystals (2 cm)
    Minerals: METATORBERNITE HETEROGENITE
    Year:
    Country: Congo (RDC)
  • Sample n°11562 : blue crystals from geode
    Minerals: CELESTINE
    Year: 1968
    Country: Madagascar
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