Mineralogy Database

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13 samples matching your criteria

  • Sample n°11990 : large geode covered with crystals
    Minerals: CELESTINE
    Year: 1968
    Country: Madagascar
  • Sample n°11995 : sample with olive-yellow marthozite/metamarthozite, crust of dark green derriksite crystals, bright white metallic trogtalite, yellow geodic guilleminite nodules, powdery (altered) and acicular malachite, blue chalcomenite, metallic digenite with bluish lustre
    Minerals: DERRIKSITE MARTHOZITE TROGTALITE CHALCOMENITE DIGENITE GUILLEMINITE MALACHITE
    Year: 1969
    Country: Congo (RDC)
  • Sample n°13958 : black metallic oxidised vein in siliceous rock
    Minerals: CHALCOSTIBITE MALACHITE
    Year: 1982
    Country: Morocco
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