Dolomite vs Gypsum
| Property | Dolomite | Gypsum |
|---|---|---|
| Formula | CaMg(CO3)2 | CaSO4 · 2H2O |
| Crystal System | Trigonal | Monoclinic |
| Mineral Class | 05 Carbonates and Nitrates | 07 Sulfates, Chromates, Molybdates, and Tungstates |
| Mohs Hardness | 3.5-4.0 | 1.5-2.0 |
| Color | Colorless, white, pink, gray, brown | Colorless, white, gray, yellow, brown |
| Luster | Vitreous | Vitreous |
| Streak | White | White |
| Transparency | Transparent | Transparent |
| Cleavage | Perfect rhombohedral {1011} | Perfect {010} |
| Fracture | Subconchoidal | Conchoidal |