Barite vs Tourmaline
| Property | Barite | Tourmaline |
|---|---|---|
| Formula | BaSO4 | Complex borosilicate |
| Crystal System | Orthorhombic | Trigonal |
| Mineral Class | 07 Sulfates, Chromates, Molybdates, and Tungstates | 09 Silicates |
| Mohs Hardness | 3.0-3.5 | 7.0-7.5 |
| Color | Colorless, white, blue, yellow, brown | Black, green, pink, blue, watermelon |
| Luster | Vitreous | Vitreous |
| Streak | White | Colorless |
| Transparency | Transparent | Transparent |
| Cleavage | Perfect {001}, {210} | None |
| Fracture | Uneven | Conchoidal to uneven |