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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
bornite
3.0
poor
conchoidal
opaque
none
5.70
metallic
copper
black
faceted
sulfides
Iridescent purple and blue tarnish (peacock ore). Rarely distinct crystals.

 
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