General Information:
Chemical Formula:
CuI
Composition:
(Molecular Weight = 190.45 gm)
Copper 33.37 % Cu
Iodine 66.63 % I
Empirical Formula:
CuI
Locality:
Broken Hill, New South Wales, Australia.
Physical Properties:
Cleavage:
[111] Good, [111] Good, [111] Good
Color:
brown, colorless, light yellow, or dark brownish red.
Density:
5.6 - 5.9, Average = 5.75
Diaphaniety:
Transparent to subtranslucent
Hardness:
2.5 - Finger Nail
Luminescence:
Fluorescent.
Luster:
Adamantine - Greasy
Streak:
yellow
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