General Information:
Chemical Formula:(Zn,Mn)O
Composition:(Molecular Weight = 81.39 gm)Zinc 80.34 %
ZnOxygen 19.66 %
O Empirical Formula: ZnO
Environment:Metamorphosed weathered ore deposit.
Locality:Major zinc ore at Sterling Hill and Franklin, New Jersey.
Name Origin:Named after its composition containing zinc (From the German, "zink")
Physical Properties: Cleavage:[0001] Perfect
Color:yellow, dark yellow, dark red, or orange.
Density:5.43 - 5.7, Average = 5.56
Diaphaniety:Translucent to subtranslucent
Habits:Massive - Fibrous - Distinctly fibrous fine-grained forms., Granular - Generally occurs as anhedral to subhedral crystals in matrix., Disseminated - Occurs in small, distinct particle s dispersed in matrix.
Hardness:4-5 - Fluorite-Apatite
Luminescence:None.
Luster:Sub Metallic
Streak:yellowish orange
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