|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | kernite | 2.50 | parallel | Splintery | Translucent | none | 1.90 | waxy | white | white | prismatic | borates | Striated faces. Soluble in water. Found in large masses in hydrothermal deposits in dry lakes. A source mineral for boron. |
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