Biotite vs Malachite
| Property | Biotite | Malachite |
|---|---|---|
| Fórmula | K(Mg,Fe)3(AlSi3O10)(OH)2 | Cu2(CO3)(OH)2 |
| Sistema Cristalino | Monoclinic | Monoclinic |
| Clase Mineral | 09 Silicates | 05 Carbonates and Nitrates |
| Dureza Mohs | 2.5-3.0 | 3.5-4.0 |
| Color | Black, dark brown, dark green | Bright green, dark green |
| Brillo | Vitreous | Vitreous |
| Raya | White to gray | Light green |
| Transparencia | Translucent | Translucent |
| Exfoliación | Perfect basal {001} | Perfect {201} |
| Fractura | Uneven | Subconchoidal to uneven |