Sphalerite vs Wolframite
| Property | Sphalerite | Wolframite |
|---|---|---|
| Formula | ZnS | (Fe,Mn)WO4 |
| Crystal System | Cubic (Isometric) | Monoclinic |
| Mineral Class | 02 Sulfides and Sulfosalts | 07 Sulfates, Chromates, Molybdates, and Tungstates |
| Mohs Hardness | 3.5-4.0 | 4.0-4.5 |
| Color | Yellow, brown, black, red, green | Black, dark brown |
| Luster | Adamantine | Submetallic |
| Streak | White to yellow-brown | Dark reddish-brown |
| Transparency | Translucent | Opaque |
| Cleavage | Perfect dodecahedral {110} | Perfect {010} |
| Fracture | Conchoidal | Uneven |