Cassiterite vs Corundum
| Property | Cassiterite | Corundum |
|---|---|---|
| Формула | SnO2 | Al2O3 |
| Кристаллическая система | Tetragonal | Trigonal |
| Класс минерала | 04 Oxides and Hydroxides | 04 Oxides and Hydroxides |
| Твёрдость по Моосу | 6.0-7.0 | 9.0 |
| Цвет | Brown, black, reddish-brown, yellow | Red (ruby), blue (sapphire), various colors |
| Блеск | Adamantine | Adamantine |
| Черта | White to pale brown | Colorless |
| Прозрачность | Translucent | Transparent |
| Спайность | Poor {100} | None |
| Излом | Subconchoidal to uneven | Conchoidal to uneven |