| Family | tectosilicates |
| Crystal system | Monoclinique (orthose, sanidine) Triclinique (microcline) |
| Color | Colorless to white, yellow, pink, reddish brown, green |
| Streak color | white |
| Cleavage | 2 perfect cleavages to 89 o: microcline 3 cleavages (perfect, good, weak):orthose |
| Hardness | 6 |
| Density | 2,5 to 2,6 |