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

Diamond

Carbon (C)

AI-generated identification · may be incorrect

Mohs hardness of 10, colorless to pale yellow, adamantine luster, isometric crystal system.

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Physical properties

Mohs hardness of 10, colorless to pale yellow, adamantine luster, isometric crystal system.

Formation & geological history

Formed under extreme heat and pressure in the Earth's mantle, brought to the surface via kimberlite pipes.

Uses & applications

Used primarily in fine jewelry and industrial cutting or drilling tools.

Geological facts

Diamond is the hardest naturally occurring substance known on Earth and conducts heat exceptionally well.

Field identification & locations

Identified by extreme hardness, high refractive index, and adamantine luster. Found globally in alluvial deposits and kimberlite mines.