|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | whewellite | 2.50 | basal | conchoidal | Transparent | none | 2.23 | glassy | clear | white | faceted | organic | Organic mineral associated with coal beds and petroleum deposits. Also, one of the minerals in kidney stones. |
|