Mineralogy Database

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82 samples matching your criteria

  • Sample n°11570 : blocks (1-10 cm) composed of bundles of brown prismatic crystals
    Minerals: GYPSUM
    Year: 1968
    Country: Belgium
  • Sample n°11734 : purplish black fibrous block, var. crocidolite
    Minerals: RIEBECKITE
    Year: 1968
    Country: South Africa
  • Sample n°11992 : white massive material
    Minerals: CHLORITE TENORITE
    Year:
    Country: Congo (RDC)
  • Sample n°12185 : brown octahedral crystals (1-3 cm)
    Minerals: ZIRCON
    Year: 1985
    Country: Congo (RDC)
  • Sample n°12975 : brown nodules with black surface (1 cm)
    Minerals: KOLWEZITE DOLOMITE
    Year:
    Country: Congo (RDC)
  • Sample n°12976 : aggregates of green needles in geode
    Minerals: MALACHITE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°12977 : radial aggregates and tabular crystals as crust on pink dolomite
    Minerals: MALACHITE DOLOMITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12979 : earthy and nodular
    Minerals: HETEROGENITE
    Year:
    Country: Congo (RDC)
  • Sample n°12980 : soft green crust, covered by heterogenite
    Minerals: GLAUKOSPHAERITE HETEROGENITE MALACHITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13222 : sample with well-developed vandenbrandeite crystals, guilleminite crystals and powder, sengierite as olive-green powder, orange kasolite nodules, bottle-green malachite needles and crust, rust-coloured mica plates
    Minerals: GUILLEMINITE SENGIERITE VANDENBRANDEITE DIGENITE KASOLITE MALACHITE MICA
    Year: 1974
    Country: Congo (RDC)
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