Mineralogy Database

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581 samples matching your criteria

  • Sample n°14069 : black crystals (3 mm), pseudomorphic after wurtzite, on block (cm)
    Minerals: SPHALERITE CALCITE
    Year: 1984
    Country: USA
  • Sample n°14087 : sample with yellow to orange metayuyamunite crystals, pale blue chrysocolla crust, red cuprite, rhombohedral calcite crystals
    Minerals: METATYUYAMUNITE CALCITE CHRYSOCOLLA CUPRITE
    Year: 1984
    Country: Congo (RDC)
  • Sample n°14092 : metallic octahedral crystals (4 mm) in calcite
    Minerals: CARROLLITE CALCITE
    Year: 1984
    Country: Congo (RDC)
  • Sample n°14093 : twinned crystals (0.5 cm) in limestone and on calcite
    Minerals: CARROLLITE CALCITE
    Year: 1984
    Country: Congo (RDC)
  • Sample n°14138 : white saccharoidal block
    Minerals: CALCITE
    Year: 1984
    Country: Tanzania
  • Sample n°14149 : block of superimposed stacked cubic crystals (10 cm)
    Minerals: GALENA CALCITE CHALCOPYRITE
    Year: 1984
    Country: USA
  • Sample n°14160 : pale blue plate (12 cm)
    Minerals: CALCITE
    Year: 1984
    Country: Russia
  • Sample n°14218.6 : rhombohedral crystal (4 cm)
    Minerals: CALCITE
    Year: 1984
    Country: Honduras
  • Sample n°14234 : sample with yellow meta-autunite (?) nodules, white elongated calcite crystals
    Minerals: CALCITE META-AUTUNITE
    Year: 1985
    Country: Brazil
  • Sample n°14260 : geode with small tabular crytals of various types
    Minerals: MOTTRAMITE VANADINITE CALCITE
    Year: 1985
    Country: Morocco
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