Ontario Mineral - Warwickite

Description:
 Orthorhombic; occurs as fine grained sub-translucent to opaque prisms without terminations, rounded grains, and small microcrystalline masses; adamantine, sub-metallic to pearly lustre; surface may have copper red or grey cast.
Color:
 Black
Hardness:
 3 - 4
Local Occurance:

 Warwickite Occurrence