ZnSCubic

Sphalerite

ZnS

Sulfides
Chemical FormulaZnS
Crystal SystemCubic
Mohs Hardness3.5
Specific Gravity4.09
ColorYellow, brown, black, red
LusterResinous to adamantine
StreakWhite to yellowish
CleavageSix directions
FractureConchoidal

Occurrence

Found in hydrothermal veins with galena. Primary ore of zinc.

Hardness on Mohs Scale

3.5 / 10
Talc (1)Quartz (7)Diamond (10)