|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | chloritoid | 6.50 | basal | Uneven | Translucent | none | 3.51 | glassy | green | green | tabular | silicates | Color variable from green to black. platy micaceous crystals |
|