Mineralogy Database

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3 samples matching your criteria

  • Sample n°13702 : crystals on debris (2 cm)
    Minerals: DUFRENITE SEGELERITE COLLINSITE JAHNSITE TOURMALINE
    Year: 1980
    Country: USA
  • Sample n°13703 : black prismatic crystals (8 mm)
    Minerals: JAHNSITE
    Year: 1980
    Country: USA
  • Sample n°14073 : brown block (2 cm) with small white crystals
    Minerals: COLLINSITE ROBERTSITE
    Year: 1984
    Country: USA