PtCubic
Platinum
Pt
Native ElementsChemical FormulaPt
Crystal SystemCubic
Mohs Hardness4.5
Specific Gravity21.5
ColorSteel gray to silver
LusterMetallic
StreakSteel gray
CleavageNone
FractureHackly
Occurrence
Found in mafic igneous rocks and placer deposits. Very dense. More valuable than gold.