gemstone
Pink Coral
Corallium rubrum (organic gemstone)
AI-generated identification · may be incorrectHardness of 3.5 on the Mohs scale, pink to red color, waxy to vitreous luster, composed of calcium carbonate.
Identified More gemstone →
Explore Pink Coral in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 3.5 on the Mohs scale, pink to red color, waxy to vitreous luster, composed of calcium carbonate.
Formation & geological history
Formed by marine coral polyps in deep ocean waters over centuries, primarily in the Mediterranean Sea and Pacific.
Uses & applications
Widely used in fine jewelry, carvings, and ornamental art objects.
Geological facts
Precious coral has been harvested and traded for thousands of years, highly valued in ancient civilizations.
Field identification & locations
Identified by its organic origin, branching structure, and reaction to acid; found globally in marine reef environments.
More like this
Other gemstone specimens
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Topaz
Al2SiO4(F,OH)2
mineral
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary