Muscovite vs Tourmaline
| Property | Muscovite | Tourmaline |
|---|---|---|
| Formule | KAl2(AlSi3O10)(OH)2 | Complex borosilicate |
| Système Cristallin | Monoclinic | Trigonal |
| Classe Minérale | 09 Silicates | 09 Silicates |
| Dureté Mohs | 2.0-2.5 | 7.0-7.5 |
| Couleur | Colorless, silver-white, pale green | Black, green, pink, blue, watermelon |
| Éclat | Vitreous | Vitreous |
| Trait | Colorless | Colorless |
| Transparence | Transparent | Transparent |
| Clivage | Perfect basal {001} | None |
| Cassure | Uneven | Conchoidal to uneven |