Mineralogy Database

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131 samples matching your criteria

  • Sample n°11168 : nodules and banded geodes with calcite core in red rock substrate
    Minerals: CHALCEDONY (quartz) CALCITE
    Year: 1966
    Country: Germany
  • Sample n°11170 : black crystalline volcanic bomb (6 cm)
    Minerals: HORNBLENDE BIOTITE
    Year: 1966
    Country: Germany
  • Sample n°11172 : granular volcanic bombs (4 and 7 cm)
    Minerals: OLIVINE AUGITE HORNBLENDE
    Year: 1966
    Country: Germany
  • Sample n°11173 : black crystals and plates (1-5 cm)
    Minerals: AUGITE BIOTITE HORNBLENDE
    Year: 1966
    Country: Germany
  • Sample n°11175 : grey-white baryte (7 cm), stained by stibnite
    Minerals: BARYTE STIBNITE
    Year: 1966
    Country: Germany
  • Sample n°11179 : bright grey crystals (8-12 cm)
    Minerals: SANIDINE
    Year: 1966
    Country: Germany
  • Sample n°11180 : grey-pink tabular crystals (1-3 cm) in trachyte
    Minerals: SANIDINE
    Year: 1966
    Country: Germany
  • Sample n°11181 : blue coatings on white sandstone (14 cm)
    Minerals: AZURITE
    Year: 1966
    Country: Germany
  • Sample n°11182 : green coatings on altered conglomerate
    Minerals: MALACHITE
    Year: 1966
    Country: Germany
  • Sample n°11184 : purple-grey massive block (6 cm)
    Minerals: CERUSSITE
    Year: 1966
    Country: Germany
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