Mineralogy Database

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288 samples matching your criteria

  • Sample n°6670 : black block (10 cm)
    Minerals: ENARGITE
    Year: 1954
    Country: USA
  • Sample n°6671 : brown metallic block (3 cm)
    Minerals: ENARGITE
    Year: 1954
    Country: USA
  • Sample n°6696 : black metallic aggregate and red coating (zincite)
    Minerals: ZINCITE SPHALERITE
    Year: 1954
    Country: USA
  • Sample n°6706 : broken grey octahedral crystal (1 cm)
    Minerals: BROOKITE
    Year: 1954
    Country: USA
  • Sample n°6710 : block with black fibrous concretionary layers
    Minerals: PYROLUSITE
    Year: 1954
    Country: USA
  • Sample n°6720 : black block (10 cm) with yelow metallic chalcopyrite
    Minerals: COVELLITE CHALCOPYRITE
    Year: 1954
    Country: USA
  • Sample n°6733 : yellow block (6 cm) with powdery or micaceous surface
    Minerals: ORPIMENT
    Year: 1954
    Country: USA
  • Sample n°6737 : prismatic crystal with pyramidal termination (1 cm)
    Minerals: ZIRCON
    Year: 1954
    Country: USA
  • Sample n°6754 : black crystals (cm) on grey prismatic quartz crystal, var. arkansite
    Minerals: BROOKITE
    Year: 1954
    Country: USA
  • Sample n°6757 : small white brucite crystals, pale blue dolomite crystals
    Minerals: BRUCITE DOLOMITE MAGNETITE SERPENTINE
    Year: 1954
    Country: USA
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