General Information:
Chemical Formula:
Hg+2I2
Composition:
(Molecular Weight = 654.99 gm)
Mercury 61.25 % Hg
Iodine 38.75 % I
Empirical Formula:
Hg2I2
Environment:
From the mine dumps.
IMA Status:
Approved IMA
Locality:
Backofen mine, Moschel landsberg district, Opermoschel, Rhineland Pjalz, Germany.
Name Origin:
After the locality.
Physical Properties:
Cleavage:
[???] Imperfect
Color:
lemon yellow or dark olive green.
Diaphaniety:
Translucent to Opaque
Habits:
Encrustations - Forms crust-like aggregates on matrix., Microscopic Crystals - Crystals visible only with microscopes., Platy - Sheet forms (e.g. micas).
Hardness:
1.5-2 - Talc-Gypsum
Luster:
Adamantine
Streak:
brown
More details...