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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Nickeline-Nickeline
Nickeline
Chemical
Formula
 NiAs
Species
 Sulfides
Crystal
System
 Hexagonal
Mohs
Scale
 5
Specific
Gravity
 7.8
Color
 Pale copper red with blackish tarnish. white with strong yellowish pink hue on polished section strongly anisotorpic
Streak
 brownish black
Luster
 Metallic
Refractive
Index
 不透明
Diaphaneity
 Opaque
Cleavage
 Imperfect, Imperfect
Fracture
 Conchoidal
Crystal Habit：Massive columnar to reniform, rarely as distorted, horizontally striated, terminated crystals
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Nickeline6072
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