gemstone
Red Coral
Corallium rubrum
AI-generated identification · may be incorrectHardness 3-4 on Mohs scale. Opaque red to pinkish-red color with a dull to vitreous luster when polished. Composed mostly of calcium carbonate (calcite).
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Physical properties
Hardness 3-4 on Mohs scale. Opaque red to pinkish-red color with a dull to vitreous luster when polished. Composed mostly of calcium carbonate (calcite).
Formation & geological history
Formed by marine polyps in deep, dark ocean environments. It is an organic gemstone created by living organisms.
Uses & applications
Extensively used in jewelry making, often cut en cabochon, carved into beads, or polished as branches.
Geological facts
Red coral has been used in jewelry since antiquity and is associated with various cultural beliefs and protections.
Field identification & locations
Identify by its distinctive red color, branch-like structure in raw form, and softness compared to most minerals. Often dyed or imitated using plastic or glass.
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