CHexagonal
Graphite
C
Native ElementsChemical FormulaC
Crystal SystemHexagonal
Mohs Hardness1.5
Specific Gravity2.23
ColorBlack to steel gray
LusterMetallic to dull
StreakDark gray
CleavageOne direction
FractureFlaky
Occurrence
Found in metamorphic rocks. Same composition as diamond but different structure. Used in pencils.