Mineralogy Database

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231 samples matching your criteria

  • Sample n°2565 : large crystals, zoned
    Minerals: CERUSSITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2623 : hollow prismatic crystals, as pseudomorphs after lead minerals
    Minerals: HEMATITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2651 : massive tenorite, banded dioptase
    Minerals: TENORITE DIOPTASE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2652 : dioptase and calcite crystals, fibro-radial plancheite nodules
    Minerals: DIOPTASE CALCITE PLANCHEITE
    Year: 1950
    Country: Congo (RDC)
  • Sample n°2653 : large zoned nodule with cuprite core
    Minerals: CUPRITE DIOPTASE AZURITE CALCITE MALACHITE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2654 : damaged crystals
    Minerals: DIOPTASE CALCITE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2655 : pale blue fibro-radial nodules (plancheite)
    Minerals: DIOPTASE PLANCHEITE CALCITE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2656 : crystals (1 cm)
    Minerals: DIOPTASE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2657 : geode with calcite in centre, partly with fibro-radial nodules
    Minerals: PLANCHEITE KATANGITE (plancheite) CALCITE
    Year: 1923
    Country: Congo (RDC)
  • Sample n°2658 : pale blue cryptocrystalline mass
    Minerals: PLANCHEITE CALCITE CUPRITE MALACHITE
    Year: 1950
    Country: Congo (RDC)
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