Mineralogy Database

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2 samples matching your criteria

  • Sample n°11297 : dark green and red blocks with conchoidal fracture, var. jasper
    Minerals: QUARTZ
    Year: 1975
    Country: Madagascar
  • Sample n°13298 : geode of purple crystals
    Minerals: AMETHYST (quartz)
    Year: 1975
    Country: Madagascar
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