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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
purpurite
4.0
basal
Uneven
Translucent
none
3.40
submetallic
purple
red
microcrystalline
phosphates
Brown to black surface alteration. Translucent to opaque. Usually massive.

 
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