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, isometric crystal system.

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Physical properties

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

Formation & geological history

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

Uses & applications

Extensively used in high-end jewelry and various industrial cutting and grinding tools due to extreme hardness.

Geological facts

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

Field identification & locations

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