Super ultra fine polished natural stone cabochon set into a sterling silver pendent. The pendent includes a sterling silver box chain. We are unsure what this stone is, but it is very intriguing, clear quartz-like material with purple/pinkish inclusions that appear like lava stone. Dimensions of the stone: 17/8" x 1-1/8". Chain Length: 18". Total Weight: 20.8 grams.