Antique Lava Cameo Ring with Marcasites. This ring is has is stamped 800. This hallmark was used in the 19th and early 20th centuries. The halo style ring is made up of marcasites or white pyrite.

• Metal: Silver, purity stamped 800
• Finish: Patina/Polished
• Cameo Material: Lava
• Shape: Oval
• Gem Material: Marcasite, FeS2
• Shape: Round
• Cameo size is 15 x 12 mm
• Mark: 800
• Ring Size: 8
• Weight: 5.46 grams or 0.193 ounces
• Condition: Good, it has a little place where damage occurred, is more visible underneath. The location is on the top left of the cameo (when viewing images). Very heavy patina.