Mineralogy Database

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50 samples matching your criteria

  • Sample n°17425 : radial aggregates
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°17541 : radial aggregates of elongated crystals in kivite matrix
    Minerals: FELDSPAR
    Year: 1960
    Country: Congo (RDC)
  • Sample n°16915 : heterogeneous mass
    Minerals: APATITE EPIDOTE FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°18597 : cleavage fragments
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°19029 : abondant feldspar laths in vesicular lava
    Minerals: FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°19136 : cleavage fragment
    Minerals: FELDSPAR
    Year: 2020
    Country: Congo (RDC)
  • Sample n°19621 : fragment
    Minerals: CASSITERITE FELDSPAR
    Year:
    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°20419 : white aggregates in biotite-rich matrix with long tourmaline crystals
    Minerals: BIOTITE FELDSPAR TOURMALINE
    Year: 2025
    Country: Congo (RDC)
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