Mineralogy Database

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1477 samples matching your criteria

  • Sample n°19586 : fragment with black fluorcalciomicrolite and yellowish hydroxycalciomicrolite
    Minerals: FLUORCALCIOMICROLITE HYDROXYCALCIOMICROLITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19609 : crystals on substrate
    Minerals: AMETHYST (quartz)
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19634 : radial aggregates in basalt, var. bytownite
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°19635 : large radial aggregate in basalt, var. bytownite
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°19639 : quartz with abundant moulds of large euhedral crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°19658 : crystals on dark schist
    Minerals: PYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°19659 : green fibrous band in host rock
    Minerals: TREMOLITE
    Year:
    Country: Congo (RDC)
  • Sample n°19660 : coarse-crystalline block
    Minerals: MICROCLINE
    Year:
    Country: Congo (RDC)
  • Sample n°19672 : crystals and crystal fragments
    Minerals: ZIRCON
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19772 : large coarse-crystalline fragment (12 cm), with reddish tint
    Minerals: TANTALITE-(Mn)
    Year: 2022
    Country: Congo (RDC)
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