Kieserite

Sulfate mineral

Kieserite is the magnesium sulfate (MgSO4·H2O) and is named after Dietrich Georg von Kieser (Jena, Germany 1862). It has a vitreous luster and it is colorless, grayish-white or yellowish. Its hardness is 3.5 and crystallizes in the monoclinic. Gunningite is the zinc member of the kieserite group of minerals.

Identification

Color of mineral

Grey

White

Yellow

Mohs scale ( mineral hardness )

3.5

Density ( specific gravity )

1.52

1.533

1.584

Luster ( interacts light )

Dull

Vitreous

Crystal ( diaphaneity )

Monoclinic