Rock Identifier
Diamond (Carbon (C)) — gemstone
gemstone

Diamond

Carbon (C)

AI-generated identification · may be incorrect

Hardness of 10 on the Mohs scale, colorless or tinted, adamantine luster, isometric crystal system, perfect octahedral cleavage.

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Physical properties

Hardness of 10 on the Mohs scale, colorless or tinted, adamantine luster, isometric crystal system, perfect octahedral cleavage.

Formation & geological history

Formed under high temperature and pressure in the Earth's mantle, brought to the surface via kimberlite pipes over billions of years.

Uses & applications

Widely used in fine jewelry, cutting tools, industrial abrasives, and high-precision scientific equipment.

Geological facts

Diamond is the hardest naturally occurring substance on Earth and conducts heat exceptionally well.

Field identification & locations

Identified by its extreme hardness, high refractive index, and thermal conductivity; commonly sourced from Russia, Botswana, and Canada.