Red Coral Earrings 12mm

Coral Earrings made with red Coral 12mm beads.
The hook is in sterling silver.
The Coral is called "Corallium rubrum".
Origins: BISCAYE GULF,CANARIA ISLANDS, MALAYSIA , JAPAN.
Hardness on the MOHS' level: 3-4. Density: 2.60-2.70.