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

Diamond

Carbon (C)

AI-generated identification · may be incorrect

Mohs hardness of 10, colorless to pink or yellow, adamantive luster, isometric crystal system, perfect octahedral cleavage, specific gravity of 3.51-3.52.

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Physical properties

Mohs hardness of 10, colorless to pink or yellow, adamantive luster, isometric crystal system, perfect octahedral cleavage, specific gravity of 3.51-3.52.

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

Widely used in high-end fine jewelry, engagement rings, and various industrial cutting and grinding tools.

Geological facts

Natural pink diamonds are among the rarest and most valuable colored gemstones in the world, often fetching record prices at auctions.

Field identification & locations

Identified by its extreme hardness, high refractive index, and strong dispersion or fire. Found globally in major deposits including Russia, Africa, and Australia.