Mineralogy Database

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953 samples matching your criteria

  • Sample n°18745 : intergrowth of brown prismatic crystals
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18746 : crystal aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18747 : coarse-crystalline cassiterite in matrix
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18748 : rounded fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18749 : dark brown rounded fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18750 : black plates with bright lustre
    Minerals: FERBERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18751 : ferberite with scattered tungstite along surface
    Minerals: FERBERITE TUNGSTITE
    Year: 2019
    Country: Rwanda
  • Sample n°18752 : fragments of altered ferberite with pale to bright yellow tungstite
    Minerals: FERBERITE TUNGSTITE
    Year: 2019
    Country: Rwanda
  • Sample n°18753 : fine-grained white material with ferberite remnants
    Minerals: ANTHOINITE FERBERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18754 : large altered ferberite crystal in matrix
    Minerals: ANTHOINITE FERBERITE
    Year: 2019
    Country: Rwanda
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