Mineralogy Database

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456 samples matching your criteria

  • Sample n°19779 : large columnar feature, strongly mineralized and with well-developed crystals along the sides of cavities
    Minerals: CASSITERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19780 : fragment of large plate-shaped euhedral crystal
    Minerals: COLUMBITE TANTALITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19783 : black vitreous cassiterite aggregate, showng crystal faces and twinning
    Minerals: CASSITERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19784 : altered ferberite in quartz vein
    Minerals: FERBERITE TUNGSTITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19788 : rounded grains, up to 1 cm
    Minerals: MONAZITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19789 : purple fragments, var. sapphire
    Minerals: CORUNDUM
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19790 : fragments
    Minerals: CASSITERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19793 : fragments
    Minerals: SCHEELITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19934 : veins in quartz fragments
    Minerals: GALENA
    Year:
    Country: Congo (RDC)
  • Sample n°19935 : small nuggets, arsenopyrite concentrate with gold particles, quartz vein fragment with visible gold
    Minerals: GOLD ARSENOPYRITE
    Year:
    Country: Congo (RDC)
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