Mineralogy Database

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103 samples matching your criteria

  • Sample n°20038 : crystal group, grading to amethyst
    Minerals: QUARTZ
    Year: 2021
    Country: Rwanda
  • Sample n°20039 : crystal group, smoky quartz grading to amethyst
    Minerals: QUARTZ
    Year: 2021
    Country: Rwanda
  • Sample n°20490 : coarse-crystalline galena aggregates in matrix, green pyromorphite in geode
    Minerals: GALENA PYROMORPHITE
    Year: 2025
    Country: Rwanda
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