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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Pentlandite-Pentlandite
Pentlandite
Chemical
Formula
 (Fe,Ni)9S8
Species
 Sulfides
Crystal
System
 Isometric
Mohs
Scale
 3-4
Specific
Gravity
 4.6-5.0
Color
 Yellowish bronze
Streak
 light bronze-brown[1][2][3][4]greenish black[5][6][7]
Luster
 Metallic
Refractive
Index
 opaque
Diaphaneity
 Opaque
Cleavage
 absent - octahedral parting
Fracture
 Conchoidal
Crystal Habit：Hexoctahedral rare; massive to granular
Pentlandite5591
Pentlandite5591
Pentlandite5587
Pentlandite5587
Pentlandite5581
Pentlandite5581
Pentlandite5577
Pentlandite5577
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