|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | andalusite | 7.50 | parallel | conchoidal | Translucent | none | 3.16 | glassy | brown | white | prismatic | silicates | Often contains flesh colored cruciform figure perpendicular to prism. |
|