Mineralogy Database

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35 samples matching your criteria

  • Sample n°2525 : white microcrystalline crust on shonkinite
    Minerals: NATROLITE
    Year: 1957
    Country: Germany
  • Sample n°19772 : large coarse-crystalline fragment (12 cm), with reddish tint
    Minerals: TANTALITE-(Mn)
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19773 : large cleavage fragment (20 cm)
    Minerals: FERBERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19774 : large crystal (12 cm), with striated surface
    Minerals: CASSITERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19775 : group of fan-like aggregates
    Minerals: TANTALITE COLUMBITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19776 : coarse-crystalline ferberite with associated acicular tourmaline
    Minerals: FERBERITE TOURMALINE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19777 : well-developed crystal (5 cm)
    Minerals: CASSITERITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19778 : large octahedral crystal
    Minerals: FERBERITE
    Year: 2022
    Country: Congo (RDC)
  • 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)