Mineralogy Database

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30 samples matching your criteria

  • Sample n°13443 : crystal (5 cm), var. amazonite
    Minerals: MICROCLINE
    Year: 1976
    Country: Madagascar
  • Sample n°13444 : brown prismatic crystal in pegmatite
    Minerals: TOURMALINE
    Year: 1976
    Country: Madagascar
  • Sample n°13445 : concretion
    Minerals: CHALCEDONY (quartz)
    Year: 1976
    Country: Madagascar
  • Sample n°13446 : black veins in green rock, var. labradorite
    Minerals: PLAGIOCLASE
    Year: 1976
    Country: Madagascar
  • Sample n°13447 : rounded crystals in highly altered rock
    Minerals: GARNET
    Year: 1976
    Country: Madagascar
  • Sample n°13448 : stony prismatic crystal with square cross-section (5 cm)
    Minerals: ZIRCON
    Year: 1976
    Country: Madagascar
  • Sample n°13449 : hexagonal barrels
    Minerals: CORUNDUM
    Year: 1976
    Country: Madagascar
  • Sample n°13450 : large blue piece
    Minerals: CORUNDUM TOURMALINE
    Year: 1976
    Country: Madagascar
  • Sample n°13451 : black crystals (1 cm) in calcite
    Minerals: DIOPSIDE
    Year: 1976
    Country: Madagascar
  • Sample n°13452 : barrel
    Minerals: CORUNDUM
    Year: 1976
    Country: Madagascar
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