Bookbot

Paul O´Neil Bücher

    Gemstones
    Die Flußdampfer
    Der Weg nach Westen
    • Gemstones

      • 176 Seiten
      • 7 Lesestunden

      Describes the history of the mining and uses of precious stones and discusses scientific research into the formation and properties of gems.

      Gemstones
      3,0