Victorian Bloodstone signet ring. Set to centre with a shield shaped bloodstone in a open back rubover setting featuring polished borders, a ridged gallery and fancy open backholing, leading to slightly raised shoulders with ornate carved detail and flowing through to a ridged solid D-shape shank. Makers mark 'CG' for Charles Green & Son, full hallmarks for Birmingham, English, 1886.
The mineral aggregate heliotrope, also known as bloodstone, is a cryptocrystalline mixture of quartz.
