Mineralogy Database

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853 samples matching your criteria

  • Sample n°6651 : small black crystals on layered sandstone
    Minerals: CLAUSTHALITE
    Year: 1954
    Country: Germany
  • Sample n°6652 : soft white coatings on purple block 6 cm)
    Minerals: ALTAITE
    Year: 1954
    Country: USA
  • Sample n°6653 : twinned crystals on calcite
    Minerals: GALENA
    Year: 1954
    Country: France
  • Sample n°6654 : black sphalerite crystals (cm), white calcite crystals (5 mm), on massive pyrite
    Minerals: SPHALERITE CALCITE PYRITE
    Year: 1954
    Country: Roumania
  • Sample n°6655 : pink bladed crystals and bright black cubic crystals on block (6 cm)
    Minerals: ANHYDRITE SPHALERITE QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6656 : specular polished section (3 cm)
    Minerals: SPHALERITE
    Year: 1954
    Country: USA
  • Sample n°6657 : black ore (5 cm) with black needles
    Minerals: BERTHIERITE
    Year: 1954
    Country: Germany
  • Sample n°6658 : quartz in geode, covered with small black needles
    Minerals: ZINKENITE
    Year: 1954
    Country: Germany
  • Sample n°6659 : small black crystals on grey limestone
    Minerals: BOURNONITE TETRAHEDRITE
    Year: 1954
    Country: Germany
  • Sample n°6660 : dark grey fibrous sulfides
    Minerals: PLAGIONITE
    Year: 1954
    Country: Germany
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