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Dominant species
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Graphite
Chemical
Formula
C
Species
Native Elements
Crystal
System
Hexagonal
Mohs
Scale
1-2
Specific
Gravity
2.26
Color
Iron-black to steel-gray; deep blue in transmitted light
Streak
Black
Luster
Sub-Metallic
Diaphaneity
Opaque
Cleavage
Perfect
Fracture
Micaceous
Crystal Habit:Tabular, six-sided foliated masses, granular to compacted masses
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