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

Diamond

Carbon (C)

AI-generated identification · may be incorrect

Hardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, and isometric crystal system.

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Physical properties

Hardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, and isometric crystal system.

Formation & geological history

Formed deep within the Earth's mantle under extreme pressure and temperature, then brought to the surface by kimberlite volcanic eruptions over billions of years.

Uses & applications

Widely used in fine jewelry, engagement rings, and various industrial cutting and grinding tools due to its extreme hardness.

Geological facts

Diamond is the hardest known natural material on Earth and can only be scratched by another diamond.

Field identification & locations

Identified by its supreme hardness, high refractive index, and thermal conductivity; commonly sourced from mines in Russia, Africa, and Canada.