Mineralogy Database

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115 samples matching your criteria

  • Sample n°696 : rounded crystal
    Minerals: CORUNDUM
    Year: 1913
    Country: Congo (RDC)
  • Sample n°1409 : sorted concentrates
    Minerals: EUCLASE GARNET PREHNITE QUARTZ ANDALUSITE BERYL KYANITE OLIVINE TOPAZ WOLFRAMITE XENOTIME-(Y) ZIRCON CORUNDUM
    Year:
    Country: Unknown
  • Sample n°1442 : bluish fragments (5 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°1948 : dark blue concentrate (8 mm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°1949 : bluish fragments (2-6 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°2978 : fragments (6 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°3046 : blue crystals (1 cm), var. sapphire
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°4301 : rounded crystals (1 cm)
    Minerals: CORUNDUM
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4302 : blue concentrate (8 mm), var. sapphire
    Minerals: CORUNDUM
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4303 : debris of royal blue crystals, var. sapphire
    Minerals: CORUNDUM
    Year: 1954
    Country: Rwanda