Cassiterite vs Corundum
| Property | Cassiterite | Corundum |
|---|---|---|
| الصيغة الكيميائية | SnO2 | Al2O3 |
| النظام البلوري | Tetragonal | Trigonal |
| صنف المعدن | 04 Oxides and Hydroxides | 04 Oxides and Hydroxides |
| صلادة موس | 6.0-7.0 | 9.0 |
| اللون | Brown, black, reddish-brown, yellow | Red (ruby), blue (sapphire), various colors |
| اللمعان | Adamantine | Adamantine |
| لون الخط | White to pale brown | Colorless |
| الشفافية | Translucent | Transparent |
| الانفصام | Poor {100} | None |
| الكسر | Subconchoidal to uneven | Conchoidal to uneven |