General Information:
Chemical Formula:
HgBi2S4
Composition:
(Molecular Weight = 746.81 gm)
Mercury 26.86 % Hg
Bismuth 55.97 % Bi
Sulfur 17.17 % S
Empirical Formula:
HgBi2S4
Environment:
Cavities in quartz-carbonate veins at the mine.
IMA Status:
Approved IMA 1998 (Dana # Added)
Locality:
Found in the Levigliani mercury mine in the Apuan Alps, Tuscany, Italy.
Name Origin:
Named after the amateur mineralogical organization Gruppo Mineralogico e Paleontologico Lucchese, members of which provided the specimens for study.
Physical Properties:
Cleavage:
[001] Perfect
Color:
grayish black.
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Luster:
Metallic
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