gemstone
Red Coral (Dyed or Reconstituted)
Corallium rubrum (if natural) or Calcite/Aragonite with dye
AI-generated identification · may be incorrectHardness 3.5-4. Red color (often enhanced). Dull to waxy luster. Microcrystalline structure.
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Physical properties
Hardness 3.5-4. Red color (often enhanced). Dull to waxy luster. Microcrystalline structure.
Formation & geological history
Formed by marine polyps in deep ocean environments, though these pieces appear heavily processed or reconstituted from fragments and resin.
Uses & applications
Used primarily in inexpensive jewelry and bead making.
Geological facts
Natural red coral is highly regulated due to overharvesting. Most affordable market coral is dyed sponge coral or reconstituted material.
Field identification & locations
Identify by the presence of natural pores, striations, or in reconstituted pieces, a more uniform appearance with potential resin areas.
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