Sphalerite

**Chemical composition:** ZnS

**Hardness:** 3.5‒4

**Density:** 3.9‒4.2 g/cm³

**Crystal system:** Cubic (Isometric)

**Luster:** ​​Adamantine, Metallic, Resinous, Greasy

**Info:** Sphalerite (zinc blende) is the most important ore of zinc. It is usually associated with galena, pyrite, chalcopyrite, calcite, dolomite and fluorite.

## Keywords
mineral sphalerite texture color ornamental stone semi-precious gemstone