Mineralogy Database

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1547 samples matching your criteria

  • Sample n°19469 : large block
    Minerals: ALLUAUDITE HETEROSITE
    Year:
    Country: Rwanda
  • Sample n°19499 : cassiterite in vein quartz
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°19579 : thick crust
    Minerals: CRYPTOMELANE
    Year:
    Country: Rwanda
  • Sample n°19636 : radial feldspar aggregates with dark core, and augite phenocrysts, in kivite
    Minerals: PLAGIOCLASE AUGITE
    Year:
    Country: Rwanda
  • Sample n°19640 : rounded block, from eluvial deposits
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°19643 : crystal fragments
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°19670 : small crystals in matrix
    Minerals: CASSITERITE
    Year: 2022
    Country: Rwanda
  • Sample n°19671 : fragments of green hexagonal crystals
    Minerals: BERYL
    Year: 2022
    Country: Rwanda
  • Sample n°19674 : group of octahedral ferberite crystals, with hydrokenoelsmoreite coating, var ferrotungstite
    Minerals: FERBERITE HYDROKENOELSMOREITE
    Year: 2022
    Country: Rwanda
  • Sample n°19928 : crystals and crystal aggregates
    Minerals: CASSITERITE
    Year: 2022
    Country: Rwanda
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