General Information:
Chemical Formula:
Hg3S2(Br,Cl)2
Composition:
(Molecular Weight = 803.48 gm)
Mercury 74.90 % Hg
Sulfur 7.98 % S
Bromine 14.92 % Br
Chlorine 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
More details...