Talc
Physical Properties
| Color | white |
| Form/Habit | massive |
| Lusture | waxy |
| Streak | white |
| Hardness | 1 |
| Cleavage | perfect 1 set baasal |
| Fracture | uneven |
| Specific Gravity | 2.8 (low) |
| Chemical Composition | Mg3Si4O10(OH)2 |
| Crystal System | monoclinic |
| Diagnostic Properties | soapy texture, hardness of 1, perfect 1 set basal cleavage |