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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
columbite-tantalite
6.0
poor
conchoidal
opaque
none
5.30
submetallic
black
red
tabular
oxides
Color can have red tones in the black. Streak can be dark-red to black.

 
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