
General Information:

Chemical Formula:
(Mn,Fe++,Mg)(Al,Fe+++)2O4

Locality:
Bald Knob near the town of Galax, Alleghany co., North Carolina, USA.

Name Origin:
Named after its location.
Physical Properties:

Cleavage:
[???] Indistinct

Color:
brown red or black.

Density:
4.23

Diaphaniety:
Opaque

Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,

Hardness:
7.5 - Garnet

Luminescence:
Non-fluorescent.

Luster:
Metallic

Streak:
brownish red
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