gemstone
Diamond
Carbon (C)
AI-generated identification · may be incorrectHardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, and cubic crystal system with perfect octahedral cleavage.
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Physical properties
Hardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, and cubic crystal system with perfect octahedral cleavage.
Formation & geological history
Formed under extreme high pressure and temperature conditions in Earth's mantle, typically brought to the surface via kimberlite or lamproite pipes.
Uses & applications
Extensively used as a gemstone in fine jewelry and in industrial applications for cutting, grinding, and drilling due to its extreme hardness.
Geological facts
Diamonds are the hardest known natural substance on Earth and form deep underground over billions of years.
Field identification & locations
Identified by its supreme hardness, high refractive index, and adamantine luster; commonly mined in South Africa, Russia, Canada, and Australia.
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