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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
opal
5.5
none
conchoidal
Translucent
none
1.90
waxy
white
white
microcrystalline
silicates
Color highly variable but usually contains pale white. Look for iridescence.

 
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