Mineralogy Database

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70 samples matching your criteria

  • Sample n°825 : dull yellow prismatic crystals (1 cm)
    Minerals: TOPAZ
    Year: 1933
    Country: Rwanda
  • 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°1515 : black wolframite crystals, shapeless yellow topaz
    Minerals: TOPAZ WOLFRAMITE
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1522 : yellow topaz in altered pegmatite
    Minerals: TOPAZ MUSCOVITE QUARTZ
    Year: 1945
    Country: Congo (RDC)
  • Sample n°2407 : white stony topaz crystals (2 cm) and black cassiterite coatings in vein quartz
    Minerals: CASSITERITE TOPAZ QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2408 : stony yellow topaz on vein quartz
    Minerals: TOPAZ QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3049 : clear debris (1 cm)
    Minerals: TOPAZ
    Year: 1951
    Country: Rwanda
  • Sample n°3354 : clear crystal (5 cm)
    Minerals: TOPAZ
    Year: 1953
    Country: Rwanda
  • Sample n°4625 : yellow transparent plate with rust-coloured surface (10 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4626 : large transparent prismatic crystal (20 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
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