gemstone
Diamond
Carbon (C)
AI-generated identification · may be incorrectHardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, isometric crystal system, perfect octahedral cleavage.
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Physical properties
Hardness of 10 on the Mohs scale, transparent to opaque, adamantine luster, isometric crystal system, perfect octahedral cleavage.
Formation & geological history
Formed under high temperature and extreme pressure conditions in the Earth's mantle, typically 100 to 150 miles deep, over periods ranging from 1 billion to 3 billion years.
Uses & applications
Widely used in fine jewelry, engagement rings, and various industrial applications such as cutting tools, grinding, and drilling due to its extreme hardness.
Geological facts
Diamond is the hardest naturally occurring substance on Earth and thermal conductor. Famous large specimens include the Cullinan Diamond.
Field identification & locations
Identified by its unmatched hardness, high refractive index, and adamantine luster. Commonly mined in Africa, Russia, Canada, and Australia.
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