Cassiterite vs Tourmaline
| Property | Cassiterite | Tourmaline |
|---|---|---|
| Formel | SnO2 | Complex borosilicate |
| Kristallsystem | Tetragonal | Trigonal |
| Mineralklasse | 04 Oxides and Hydroxides | 09 Silicates |
| Mohshärte | 6.0-7.0 | 7.0-7.5 |
| Farbe | Brown, black, reddish-brown, yellow | Black, green, pink, blue, watermelon |
| Glanz | Adamantine | Vitreous |
| Strichfarbe | White to pale brown | Colorless |
| Transparenz | Translucent | Transparent |
| Spaltbarkeit | Poor {100} | None |
| Bruch | Subconchoidal to uneven | Conchoidal to uneven |