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)Explore on Science FYI
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.