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 under extreme high pressure and temperature conditions in Earth's mantle, typically 100 to 200 miles below the surface, and brought up by deep-seated volcanic eruptions.

Uses & applications

Extensively used in high-end fine jewelry and utilized in industrial cutting, grinding, and drilling tools due to extreme hardness.

Geological facts

Diamonds are the hardest known natural substance on Earth and are billions of years old.

Field identification & locations

Identified by its supreme hardness, high refractive index, and thermal conductivity; commonly mined in Russia, Botswana, and Canada.