Gigantic lava flows forged their way over many centuries past from the earth’s core to its surface. Dazzling minerals are the result of this spectacular natural event. During your guided tour of the gemstone mines in Steinkaulenberg, you’ll not only discover everything to do with how gemstones are formed, you’ll also be able to marvel at the stunning jewels in the rock faces. The follow-on visit to the Historic “Weiherschleife” Cutting Mill is an excellent opportunity to cast your glance over the gemstone polisher’s shoulder, and learn about the methods used centuries ago. After lunch, there’s a chance to soak up the fascinating exhibition on show at the German Gemstone Museum. It houses all manner of rough and finished gemstones.

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