Diamond

C

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Diamond is the hardest known natural material, composed of pure carbon arranged in an isometric crystal structure. Formed deep in Earth's mantle under extreme pressure and temperature, diamonds are brought to the surface by volcanic eruptions through kimberlite pipes.

Crystal System Cubic (Isometric)
Mineral Class 01 Native Elements
Mohs Hardness 10.0
Specific Gravity 3.50-3.53
Color Colorless, yellow, brown, blue, green, pink
Luster Adamantine
Streak None
Cleavage Perfect octahedral {111}
Fracture Conchoidal
Transparency Transparent
Crystal Habit Octahedral, cubic

Mohs Hardness

Mohs Hardness: 10.0 – 10.0
1 Soft10 Hard

Crystal System

Cubic (Isometric)

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Frequently Asked Questions

What is the hardness of Diamond?
Diamond has a Mohs hardness of 10.0.
What crystal system does Diamond belong to?
Diamond crystallizes in the Cubic (Isometric) crystal system.
What color is Diamond?
Diamond is typically Colorless, yellow, brown, blue, green, pink.
What type of luster does Diamond have?
Diamond exhibits a Adamantine luster.
What is the chemical formula of Diamond?
The chemical formula of Diamond is C.