gemstone
Diamond
C (Carbon)
AI-generated identification · may be incorrectHardness: 10 (Mohs scale), Color: Colorless, Luster: Adamantine, Crystal structure: Isometric, Cleavage: Perfect octahedral, Specific gravity: 3.52
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Physical properties
Hardness: 10 (Mohs scale), Color: Colorless, Luster: Adamantine, Crystal structure: Isometric, Cleavage: Perfect octahedral, Specific gravity: 3.52
Formation & geological history
Formed under immense heat and pressure deep within the Earth's mantle, often billions of years old.
Uses & applications
Primarily used in jewelry for their brilliance and durability, and industrially for cutting and grinding.
Geological facts
The hardest known natural material; formed at depths of 140 to 190 kilometers.
Field identification & locations
Identified by extreme hardness and high refractive index; commonly found in kimberlite pipes.
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