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

Diamond

Carbon (C)

AI-generated identification · may be incorrect

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

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Physical properties

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

Formation & geological history

Formed under extreme high pressure and temperature conditions deep within the Earth's mantle, typically brought to the surface by kimberlite pipe volcanic eruptions.

Uses & applications

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

Geological facts

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

Field identification & locations

Identified by extreme hardness, high refractive index, and adamantine luster. Commonly mined in Russia, Botswana, and Canada.