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Dominant species
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Quartz
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stibnite
Chalcopyrite
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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Arsenic-Arsenic
Arsenic
Chemical
Formula
 As
Species
 Native Elements
Crystal
System
 Trigonal
Mohs
Scale
 3
Specific
Gravity
 5.778
Color
 Tin-white, tarnishing to dark grey or black.
Streak
 Grey
Luster
 Metallic, Dull
Diaphaneity
 Opaque
Cleavage
 PerfectPerfect basal on , fair on
Fracture
 Irregular/Uneven
Crystal Habit：Granular, massive, concentric layered. Reticulated, reniform, stalagtitic, columnar, acicular. small rhombohedra.
Geological Setting：Hydrothermal veins.
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