General Information:
Chemical Formula:Hg3S2Cl2
Composition:(Molecular Weight = 736.81 gm)Mercury 81.67 %
HgSulfur 8.70 %
S Chlorine 9.62 %
Cl Empirical Formula: Hg3S2Cl2
Environment:In hydrothermally altered rhyolitic, tuffaceous rocks. An orthorhombic polymorph of corderoite.
IMA Status:Approved IMA (Dana # Added)
Locality:The McDermitt open pit mercury mine, about 10 km southwest of the town of McDermitt, Humboldt County, Nevada, USA.
Name Origin:For Dr. Kenneth Junghwa Hsu (1929-), Professor Emeritus, Swiss Federal Institute of Technonogy, Zurich, Switzerland.
Physical Properties: Color:canary yellow.
Density:6.76
Diaphaniety:Transparent
Habits:Microscopic Crystals - Crystals visible only with microscopes., Acicular - Occurs as needle-like crystals.,
Hardness:2-3 - Gypsum-Calcite
Luminescence:Fluorescent, Short UV=orange red.
Luster:Vitreous (Glassy)
Streak:canary yellow
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