Mineralogy Database

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165 samples matching your criteria

  • Sample n°6847 : geode with analcime crystals (5 mm) in black rock (6 cm)
    Minerals: ANALCIME
    Year: 1954
    Country: Czech Republic
  • Sample n°6860 : geode with white crystals (7 mm) on trachyte substrate (10 cm)
    Minerals: LAUMONTITE
    Year: 1954
    Country: Czech Republic
  • Sample n°6895 : black crystals (cm) in brown altered block, and isolated crystals (3 cm)
    Minerals: HORNBLENDE
    Year: 1954
    Country: Czech Republic
  • Sample n°6897 : crystalline block (7 cm)
    Minerals: BIOTITE QUARTZ
    Year: 1954
    Country: Czech Republic
  • Sample n°6898 : blocks of stacked tabular crystals (2 cm), var. zinnwaldite
    Minerals: SIDEROPHYLLITE POLYLITHIONITE
    Year: 1954
    Country: Czech Republic
  • Sample n°6945 : massive brown phosphates (6 cm)
    Minerals: TRIPLITE
    Year: 1954
    Country: Czech Republic
  • Sample n°6952 : yellow-beige clayey block (10 cm)
    Minerals: DIADOCHITE
    Year: 1954
    Country: Czech Republic
  • Sample n°6967 : sample with possible yellow-orange fibrous zippeite, white gypsum crystals, hematite mixed with mica
    Minerals: ZIPPEITE GYPSUM HEMATITE URANINITE
    Year: 1957
    Country: Czech Republic
  • Sample n°6973 : crust of brown crystals (5 mm) on smoky quartz
    Minerals: SCHEELITE QUARTZ
    Year: 1954
    Country: Czech Republic
  • Sample n°10182 : yellow metallic fibres on quartz in fine-grained red quartzite (25 cm)
    Minerals: MILLERITE
    Year: 1964
    Country: Czech Republic
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