Mineral variety

Cleiophane

ZnS

Sphalerite variety.

Brown

Variety of Sphalerite.

Cleiophane specimen
Blendeperou2.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaZnS
ElementsZn, S
Crystal system—
Mohs hardness—
Density—
Streak—
Color—

“—” means no reliable value in Wikidata yet. Check Mindat for full data.