gemstone
Diamond
Carbon (C)
AI-generated identification · may be incorrectMohs hardness of 10, typically colorless or pale yellow, adamantine luster, isometric crystal system with octahedral habit.
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Physical properties
Mohs hardness of 10, typically colorless or pale yellow, adamantine luster, isometric crystal system with octahedral habit.
Formation & geological history
Formed under extreme pressure and high temperature in the Earth's mantle, brought to the surface via kimberlite or lamproite volcanic pipes.
Uses & applications
Used widely in high-end jewelry as gemstones and extensively in industrial cutting, grinding, and drilling tools.
Geological facts
Diamond is the hardest naturally occurring substance on Earth and forms deep within the mantle, often over a billion years ago.
Field identification & locations
Identified by its extreme hardness, high refractive index, and adamantine luster; commonly mined in South Africa, Russia, and Canada.
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