Mineralogy Database

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64 samples matching your criteria

  • Sample n°19638 : thick plate, as geode fragment
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°19822 : crystal fragment with amethyst to citrine transition
    Minerals: AMETHYST (quartz) QUARTZ
    Year: 2022
    Country: Bolivia
  • Sample n°20080 : dark purple
    Minerals: AMETHYST (quartz)
    Year: 2023
    Country: Mexico
  • Sample n°20193 : plate of well-developed crystals
    Minerals: AMETHYST (quartz)
    Year: 2023
    Country: Zambia
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