Syngenite

Sulfate mineral

Syngenite is an uncommon potassium calcium sulfate mineral with formula K2Ca(SO4)2·H2O. It forms as prismatic monoclinic crystals and as encrustations.

Identification

Color of mineral

Yellow

White

Mohs scale ( mineral hardness )

2.5

Density ( specific gravity )

1.501

1.517

1.518

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Monoclinic