General Information:
Chemical Formula:
Cu4Ag3Te4
Composition:
(Molecular Weight = 1,088.19 gm)
Copper 23.36 % Cu
Silver 29.74 % Ag
Tellurium 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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