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MINERAL IDENTIFICATION PROJECT


Search found 1 mineral.


Mineral
Hard- ness
Cleavage
Fracture
Trans- parency
10% HCl Reaction
SG
Luster
Color
Streak
Xtal Form
Mineral Class
Comments
betafite
5.0
none
conchoidal
Transparent
none
3.70
glassy
black
yellow
faceted
hydroxides
Contains Uranium. As radiation destroys crystal structure, mineral becomes opaque with earthy luster

 
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