Hydrated calcium copper zinc sulfate, forming pale blue to greenish-blue drusy crusts. It's associated with communication and emotional expression, stimulating the throat chakra.
Sky Blue, Pale Blue, Greenish-Blue, forms drusy crusts or small tabular crystals
Serpierite is classified as a sulfate mineral mineral which typically crystallizes in the monoclinic system. Its chemical formula is Ca(Cu,Zn)4(SO4)2(OH)6·3H2O. Common crystal habits include crusts and tufted aggregates of tiny lathlike crystals.