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Minerals - Glaucodot | TerraCollect
Mineral - Glaucodot
Glaucodot
(Coâ‚€,50Feâ‚€,50)AsS
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
low
Formula
(Coâ‚€,50Feâ‚€,50)AsS
Unit Cell
a=14,16 b=5,65 c=3,32 Z=6
Physical Properties
Hardness
5
Streak
black
Density
Very Heavy (>6)
Optical Properties
Color
black
gray
gray black
silver
Birefringence
Luster
Metallic
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
Composition
Elements
Mass
Co
16,67
Fe
19,62
Ni
0,01
As
44,10
S
20,20
0,23
Schweden
Groups and Members
Arsenopyrit-Gruppe
Cleavage
Vollkommen auf (010), gut auf (101)
Fracture
uneven
Tenacity
Brittle
orthorhombic
Point Group
Space Group
Habit
blocky,
dipyramidal,
Octahedron,
prismatic,
tabular
Formation
hydrothermal, bei hohen PT-Bedingungen
Paragenesis
Twinning
Nach (101) und sternförmige Durchdringungszwillinge nach (012)
Rarity
Rarely
Synonyms
Glaucodot
