Calcite vs Diamond
| Property | Calcite | Diamond |
|---|---|---|
| Formula | CaCO3 | C |
| Crystal System | Trigonal | Cubic (Isometric) |
| Mineral Class | 05 Carbonates and Nitrates | 01 Native Elements |
| Mohs Hardness | 3.0 | 10.0 |
| Color | Colorless, white, yellow, orange, blue, green | Colorless, yellow, brown, blue, green, pink |
| Luster | Vitreous | Adamantine |
| Streak | White | None |
| Transparency | Transparent | Transparent |
| Cleavage | Perfect rhombohedral {1011} | Perfect octahedral {111} |
| Fracture | Conchoidal | Conchoidal |