Sardonyx and Onyx in History

The historical uses for Sardonyx and Onyx consists of a long history of use for hardstone carving and jewelry, where it is usually cut as a cabochon or into beads. It has also been used for intaglio and hardstone cameo engraved gems, where the bands make the image contrast with the ground. Some onyx is […]

The History of Peridot

Peridot jewelry dates back as far as the second millennium BC. These ancient Egyptian gems came from deposits on a small volcanic island in the Red Sea called Topazios, now known as St. John’s Island or Zabargad.Ancient Egyptians called peridot the “gem of the sun,” believing it protected its wearer from terrors of the night. […]