gemstone
Diamond
Carbon (C)
AI-generated identification · may be incorrectHardness: 10 (Mohs scale), Color: Colorless (in this specimen), Luster: Adamantine, Crystal Structure: Isometric-Hexoctahedral, Cleavage: Perfect in four directions, Specific Gravity: 3.52
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Physical properties
Hardness: 10 (Mohs scale), Color: Colorless (in this specimen), Luster: Adamantine, Crystal Structure: Isometric-Hexoctahedral, Cleavage: Perfect in four directions, Specific Gravity: 3.52
Formation & geological history
Formed under high-pressure, high-temperature conditions in Earth's mantle, approximately 90 to 120 miles deep, and brought to the surface by kimberlite eruptions. Ages range from 1 to 3.5 billion years.
Uses & applications
Extensively used in jewelry, and for industrial applications such as cutting, drilling, and grinding due to its extreme hardness.
Geological facts
Diamond is the hardest naturally occurring substance on Earth. Its name is derived from the Greek word 'adamas', meaning unbreakable or invincible.
Field identification & locations
Identified by its high refractive index (brilliance), dispersion (fire), and hardness. Testing with a diamond selector or looking for 'loupe-clean' inclusions can help differentiate from simulants like Cubic Zirconia.
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