Mineralogy Database

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181 samples matching your criteria

  • Sample n°2956 : debris of crystals
    Minerals: DIOPTASE
    Year: 1914
    Country: Congo (Congo-Brazzaville)
  • Sample n°3145 : broken crystals
    Minerals: DIOPTASE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3163 : rhombohedral calcite crystals (4 cm), veins of green dioptase crystals
    Minerals: CALCITE DIOPTASE KATANGITE (plancheite)
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3513 : microcrystalline layer in red sandstone
    Minerals: DIOPTASE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3514 : pale blue fibro-radial plancheite nodules, blue powder (katangite), in red ochrous material
    Minerals: PLANCHEITE DIOPTASE KATANGITE (plancheite)
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3983 : various copper minerals in debris of sandstone core
    Minerals: CALCITE DIOPTASE KATANGITE (plancheite)
    Year: 1953
    Country: Congo (RDC)
  • Sample n°4212 : sample with metatorbernite, light blue dioptase, heterogenite coating on metatorbernite
    Minerals: METATORBERNITE DIOPTASE HETEROGENITE QUARTZ
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4218 : dioptase crust on rock substrate
    Minerals: DIOPTASE COPPER KATANGITE (plancheite)
    Year:
    Country: Congo (RDC)
  • Sample n°4466 : green dioptase on colourless cerussite crystals
    Minerals: CERUSSITE DIOPTASE
    Year:
    Country: Congo (RDC)
  • Sample n°4548 : black crystals (2 cm) on iron-rich rock substrate with other secondary copper minerals
    Minerals: LIBETHENITE DIOPTASE
    Year: 1954
    Country: Congo (RDC)
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