Mineralogy Database

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1097 samples matching your criteria

  • Sample n°2393 : quartz vein (2 cm) with mica, locally black cassiterite mineralisation in quartzite
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2394 : brown crystals (5-10 cm) in quartz vein
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2398 : vein with geodes of prismatic quartz crystals (3 cm) and black cassiterite crystals
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2399 : stratified saccharoidal block (15 cm)
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2402 : white crystals (2 cm) on vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2407 : white stony topaz crystals (2 cm) and black cassiterite coatings in vein quartz
    Minerals: CASSITERITE TOPAZ QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2408 : stony yellow topaz on vein quartz
    Minerals: TOPAZ QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2409 : black massive blocks with quartz as gangue material
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2423 : mineralised greisen enclosed in quartz vein
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2468 : zoned chalcedony with geodes of microcrystalline quartz
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1937
    Country: Congo (RDC)
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