| Sample # |
13 |
| Mineral
Name |
TALC |
| Chemical Composition |
Mg3Si4O10(OH)2 |
| Luster |
Dull,
pearly |
| Color(s) |
White,
grey, bright or pale green |
| Streak Color |
White to light grey |
| Specifc Gravity |
2.7-2.8 |
| Habit |
Granular
and foliated masses |
| Cleavage/Fracture |
Basal, perfect |
| Hardness |
1 |
| Diagnostic Feature(s) | Hardness, greasy feel, streak |
