Apatite vs Corundum
| Property | Apatite | Corundum |
|---|---|---|
| सूत्र | Ca5(PO4)3(F,Cl,OH) | Al2O3 |
| क्रिस्टल प्रणाली | Hexagonal | Trigonal |
| खनिज वर्ग | 08 Phosphates, Arsenates, and Vanadates | 04 Oxides and Hydroxides |
| मोह कठोरता | 5.0 | 9.0 |
| रंग | Green, blue, yellow, violet, colorless | Red (ruby), blue (sapphire), various colors |
| चमक | Vitreous | Adamantine |
| रेखा रंग | White | Colorless |
| पारदर्शिता | Transparent | Transparent |
| विदलन | Poor {0001} | None |
| विभंग | Conchoidal to uneven | Conchoidal to uneven |