|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | sodalite | 5.50 | poor | Uneven | Translucent | none | 2.00 | glassy | blue | white | prismatic | silicates | Bright blue to grey to green. Different from Lapis lazuli as rocks lack pyrite. |
|