Sardonyx

Sardonyx Sardonyx (Photo by Arpingstone) (Wikimedia) Minerological name: Chalcedony type Parts used: Sardonyx as we know it today is red and white banded Agate. However, the term traditionally included a number of other Chalcedony varieties: Pellucid, with the redness or Sard (Cornelian) and the whiteness of Onyx; this is most valuable–true Sardonyx (Salmon) Blood-red, White…