General Information:
Chemical Formula:
AgI
Composition:
(Molecular Weight = 234.77 gm)
Silver 45.95 % Ag
Iodine 54.05 % I
Empirical Formula:
AgI
IMA Status:
Approved IMA 1960
Locality:
Broken Hill, New South Wales.
Name Origin:
Named after its chemical composition if iodine (Greek, iodes = "violet") and silver (Latin, argentum).
Physical Properties:
Cleavage:
[0001] Perfect
Color:
colorless, pale yellow, yellow, greenish yellow, or gray.
Density:
5.5 - 5.7, Average = 5.6
Diaphaniety:
Transparent to translucent
Habits:
Platy - Sheet forms (e.g. micas)., ,
Hardness:
1.5-2 - Talc-Gypsum
Luster:
Adamantine - Greasy
Streak:
white
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