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Minerals - Vrbaite | TerraCollect
Mineral - Vrbaite
Vrbaite
Hg₃Tl₄As₈Sb₂S₂₀
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
middle
Formula
Hg₃Tl₄As₈Sb₂S₂₀
Unit Cell
a=13,40 b=23,40 c=11,29 Z=4
Physical Properties
Hardness
3.5
Streak
red
yellow
yellow red
Optical Properties
Color
black
gray
red
Birefringence
Luster
Metallic
Transparency
translucent,
opaque
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Composition
Elements
Mass
Tl
28,7
Hg
20,4
Sb
8,3
As
20,4
S
22,2
Nordmazedonien
Density
Cleavage
gut nach {010}
Fracture
conchoidal,
uneven
Tenacity
Brittle
Point Group
Space Group
Habit
pyramidal,
tabular
Formation
In hydrothermaler As-Tl-Lagerstätte
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Vrbaite
