General Information:
Chemical Formula:Cu4Ag3Te4
Composition:(Molecular Weight = 1,088.19 gm)Copper 23.36 %
CuSilver 29.74 %
AgTellurium 46.90 %
Te Empirical Formula: Cu4Ag3Te4
IMA Status:Approved IMA 1983
Locality:Campbell mine, Bisbee, Arizona, USA.
Name Origin:Named for Norman F. M. Henry, (1909-1983), English mineralogist.
Physical Properties: Color:gray.
Density:7.86
Diaphaniety:Opaque
Habits:Microscopic Crystals - Crystals visible only with microscopes., Anhedral Grains - Granular minerals without the expression of crystal shapes,
Hardness:3.5 - Copper Penny
Luster:Metallic
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