
gemstone
Diamond
Carbon (C)
AI-generated identification · may be incorrectHardness of 10 on the Mohs scale, transparent to opaque with a greasy to adamantine luster, and crystallizes in the isometric system.
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Physical properties
Hardness of 10 on the Mohs scale, transparent to opaque with a greasy to adamantine luster, and crystallizes in the isometric system.
Formation & geological history
Formed under extreme heat and pressure in the Earth's mantle, typically brought to the surface via kimberlite pipes over billions of years.
Uses & applications
Extensively used in fine jewelry and high-precision industrial cutting, drilling, and polishing tools due to its unmatched hardness.
Geological facts
Diamond is the hardest known natural material on Earth and is formed over 100 miles beneath the surface.
Field identification & locations
Identified by its extreme hardness, high refractive index, and adamantine luster; commonly found in alluvial deposits and kimberlite mines.
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