General Information:
Chemical Formula:
(Ag,Cu)I
Composition:
(Molecular Weight = 223.69 gm)
Copper 7.10 % Cu
Silver 36.17 % Ag
Iodine 56.73 % I
Empirical Formula:
Ag0.75Cu0.25I
Locality:
Broken Hill, New South Wales, Australia.
Physical Properties:
Cleavage:
[111] Good, [111] Good, [111] Good
Color:
greenish, yellow, or light yellow.
Density:
5.64
Diaphaniety:
Transparent to subtranslucent
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Adamantine
Streak:
greenish
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