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Minerals - Shattuckite | TerraCollect
Mineral - Shattuckite
Shattuckite
Cu₅(Si₂O₆)₂(OH)₂
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Cu₅(Si₂O₆)₂(OH)₂
Unit Cell
a=9.89 b=19.83 c=5.38 Z=4
Physical Properties
Hardness
3.5
Streak
blue
Density
Heavy (3,5-6)
Optical Properties
Color
blue
Birefringence
0.062
Luster
Silky
Transparency
translucent,
opaque
Pleochroism
Blautöne
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Composition
Elements
Mass
SiOâ‚‚
36.68
FeO
0.19
MnO
0.03
CuO
60.41
MgO
0.02
CaO
0.01
Hâ‚‚O
2.66
Arizona (Ford 1915)
Karten-Ebenen
Geologische Karte
Satelliten Karte
Cleavage
Perfect after {010} and {100}
Fracture
uneven
Tenacity
Brittle
orthorhombic-dipyramidal - 2/m 2/m 2/m
Space Group
Pbca (61)
Habit
fibrous,
spherical,
massive,
acicular,
radial,
grape-shaped
Formation
Secondary, as a typical oxidation product in the oxidation zone of copper deposits resulting from the reaction of silicate-rich solutions with primary copper sulfides or their secondary minerals, such as malachite or chrysocolla
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Shattuckite
