Mineralogy Database

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7938 samples matching your criteria

  • Sample n°16784 : fragments of green prismatic crystals
    Minerals: TOURMALINE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°16787 : lustreous heterogenite coatings associated with impregnative occurrence
    Minerals: HETEROGENITE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°16788 : fragments of large subhedral crystals
    Minerals: CASSITERITE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°16817 : crystals in rock matrix
    Minerals: PYROCHLORE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°1678 : amber, large transparent fragments (10 cm)
    Minerals: unspecified
    Year:
    Country: Congo (RDC)
  • Sample n°1679 : amber, large transparent block (20 cm)
    Minerals: unspecified
    Year:
    Country: Congo (RDC)
  • Sample n°16832 : layered crust, covered by malachite crystals
    Minerals: PSEUDOMALACHITE MALACHITE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°16833 : rock substrate crossed fissures with Cu and Mn mineralisation
    Minerals: MALACHITE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°414 : fine-grained, massive
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°16836 : fine-grained calcite with palygorskite admixture and arkose fragments
    Minerals: PALYGORSKITE CALCITE
    Year: 2012
    Country: Congo (RDC)