clour-black, brown, red, orange, gray, and green.
Streak-white or light brown.Hardness 3or 4

luster- metallic, submetallic                                                                              .
cleavage-1,all sides forming a dodechedrom
uses-     Sphalerite is the main ore of zinc. In some localities, it occurs with significant amounts of cadmium,gallium and iridium,and it also the main ore of those metals. Zinc is an important mineral to collectors, and some transport varieties are occasionally faceted for collectors