Mineralogy Database

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7945 samples matching your criteria

  • Sample n°20258 : purple coating on Mn oxide substrate
    Minerals: VARISCITE
    Year:
    Country: Congo (RDC)
  • Sample n°20167 : thick coating composed of tabular crystals
    Minerals: HEMIMORPHITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20260 : subrounded crystals
    Minerals: ILMENITE
    Year:
    Country: Congo (RDC)
  • Sample n°20261 : fragment, concentrate of downstream alluvium
    Minerals: ILMENITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20262 : sorted concentrates
    Minerals: ILMENITE DIOPSIDE QUARTZ GARNET OLIVINE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20263 : altered elongated crystals and dissolution cavities in quartz vein
    Minerals: ANDALUSITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20264 : banded iron formation
    Minerals: HEMATITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20265 : plate-shaped crystal, striated surface
    Minerals: COLUMBITE TANTALITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20266 : crystal fragments, partly twinned
    Minerals: STAUROLITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20267 : mixed concentrate, isolated zircon crystal
    Minerals: ZIRCON ILMENITE
    Year: 2017
    Country: Congo (RDC)
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