Tremolite
Physical Properties
| Color | white |
| Form/Habit | fibrous |
| Lusture | silky |
| Streak | white |
| Hardness | 5-6 |
| Cleavage | perfect 2 sets |
| Fracture | uneven |
| Specific Gravity | 3.0-3.3 (moderate) |
| Chemical Composition | Ca2Mg5Si8O22(OH)2 |
| Crystal System | monoclinic |
| Diagnostic Properties | fibrous form, silky lusture |