Corundum vs Fluorite
| Property | Corundum | Fluorite |
|---|---|---|
| Fórmula | Al2O3 | CaF2 |
| Sistema Cristalino | Trigonal | Cubic (Isometric) |
| Clase Mineral | 04 Oxides and Hydroxides | 03 Halides |
| Dureza Mohs | 9.0 | 4.0 |
| Color | Red (ruby), blue (sapphire), various colors | Purple, blue, green, yellow, colorless, pink |
| Brillo | Adamantine | Vitreous |
| Raya | Colorless | White |
| Transparencia | Transparent | Transparent |
| Exfoliación | None | Perfect octahedral {111} |
| Fractura | Conchoidal to uneven | Conchoidal |