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Minerals - Gudmundite | TerraCollect
Mineral - Gudmundite
Gudmundite
FeSbS
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
FeSbS
Unit Cell
a=10,00 b=5,95 c=6,73 β=90° Z=8
Physical Properties
Hardness
5.5 - 6
Streak
black
Density
Very Heavy (>6)
Optical Properties
Color
gray
gray black
silver
Birefringence
Luster
Metallic
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Composition
Elements
Mass
Fe
26,81
Ni
0,01
Sb
57,32
As
0,20
S
15,48
Schweden
Groups and Members
Arsenopyrit-Gruppe
Cleavage
nd
Fracture
nd
Tenacity
Supple
Point Group
Space Group
Habit
dipyramidal,
prismatic,
tabular
Formation
hydrothermal
Paragenesis
Twinning
Sternförmige Durchdringungszwillinge nach (101)
Rarity
Rarely
Synonyms
Gudmundite
