Mineralogy Database

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7938 samples matching your criteria

  • Sample n°534 : plate-shaped crystals in pegmatite
    Minerals: MUSCOVITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°536 : black crystals in quartz fragments
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°554 : stalactitic concretion
    Minerals: CHALCEDONY (quartz)
    Year: 1910
    Country: Congo (RDC)
  • Sample n°555 : blocks with pink and green veins, var chrysoprase
    Minerals: QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°556 : geode with prismatic crystals (1 cm)
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1913
    Country: Congo (RDC)
  • Sample n°557 : zoned pink block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°560 : zoned block (pink, blue, yellow)
    Minerals: CHALCEDONY (quartz)
    Year: 1913
    Country: Congo (RDC)
  • Sample n°576.1 : vein debris
    Minerals: QUARTZ
    Year: 1918
    Country: Congo (RDC)
  • Sample n°576.2 : striated prismatic crystal
    Minerals: BERYL
    Year: 1918
    Country: Congo (RDC)
  • Sample n°583 : aggregate of native metal (1 cm)
    Minerals: COPPER
    Year: 1913
    Country: Congo (RDC)
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