General Information:
Chemical Formula:Hg3S2(Br,Cl)2
Composition:(Molecular Weight = 803.48 gm)Mercury 74.90 %
HgSulfur 7.98 %
S Bromine 14.92 %
BrChlorine 2.21 %
Cl Empirical Formula: Hg3S2Br1.5Cl0.5
Locality:Arzak mercury deposits, Tuva, Siberia, Russia.
Name Origin:Named after it's locality.
Physical Properties: Color:grayish black, yellow, reddish brown, or black.
Density:7.64
Diaphaniety:Opaque
Habits:Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,
Hardness:2-2.5 - Gypsum-Finger Nail
Luster:Vitreous - Metallic
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