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Sieber Agate

Sieber Agate

Sieber Agate     **This is an online only stone**

  • Basically no agate but a glassy copper sludge that these copper smears formed when winning copper from copper ore through heat
  • Found in Siebertal, Harz, Germany
  • Although sold as an agate, it is technically a glassy slag left from an ancient copper smelting process over 1400 years ago
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