Mineralogy Database

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7938 samples matching your criteria

  • Sample n°13379 : small olive-green volborthite crystals, pale green powdery conichalcite, blue-green dioptase
    Minerals: CONICHALCITE VOLBORTHITE DIOPTASE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°13380 : sample with black-green demesmaekerite crystals, bottle-green needle-shaped derriksite crystals, brown hematite, small amount of blue chalcomenite
    Minerals: DEMESMAEKERITE DERRIKSITE CHALCOMENITE DIGENITE HEMATITE WULFENITE
    Year:
    Country: Congo (RDC)
  • Sample n°13381 : zoned nodules
    Minerals: CRYPTOMELANE
    Year:
    Country: Congo (RDC)
  • Sample n°13382 : ore nodules with metallic layers
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°13395 : sample with olive-coloured vauquelinite crystals, bright yellow wulfenite crystals, little metatorbernite and chalcomenite, traces of guilleminite
    Minerals: VAUQUELINITE CHALCOMENITE DIGENITE GUILLEMINITE MALACHITE METATORBERNITE WULFENITE
    Year: 1977
    Country: Congo (RDC)
  • Sample n°13396 : sample with large amber-coloured baryte crystals, rust-coloured hematite, malachite crystals and massive malachite
    Minerals: BARYTE DIGENITE HEMATITE MALACHITE
    Year: 1977
    Country: Congo (RDC)
  • Sample n°13397 : sample with large bright grey wulfenite crystals, malachite crystals and massive malachite, traces of metatorbernite
    Minerals: MALACHITE WULFENITE HEMATITE HETEROGENITE METATORBERNITE
    Year: 1977
    Country: Congo (RDC)
  • Sample n°13398 : sample with grey-green altered demesmaekerite, brown hematite fibres, malachite crystals and massive malachite
    Minerals: DEMESMAEKERITE HEMATITE MALACHITE
    Year: 1977
    Country: Congo (RDC)
  • Sample n°13399 : sample with olive-green vauquelinite crystals on malachite nodules, malachite crystals and concretionary malachite
    Minerals: VAUQUELINITE MALACHITE WULFENITE
    Year: 1977
    Country: Congo (RDC)
  • Sample n°13401 : sample with olive-green sengierite coating, traces of metatorbernite
    Minerals: SENGIERITE METATORBERNITE
    Year: 1977
    Country: Congo (RDC)
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