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

Diamond

Carbon (C)

AI-generated identification · may be incorrect

Mohs hardness of 10, adamantine luster, isometric crystal system, perfect octahedral cleavage, specific gravity of 3.51.

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Physical properties

Mohs hardness of 10, adamantine luster, isometric crystal system, perfect octahedral cleavage, specific gravity of 3.51.

Formation & geological history

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

Uses & applications

Extensively used in high-end jewelry as a gemstone and in industrial applications for cutting, grinding, and drilling due to its supreme hardness.

Geological facts

Diamond is the hardest known natural substance on Earth and forms deep underground, sometimes as old as 3 billion years.

Field identification & locations

Identified by its extreme hardness, high refractive index, and adamantine luster; found majorly in South Africa, Russia, Botswana, and Canada.