Zincobotryogen
Zincobotryogen is a hydrous sulfate mineral with formula (Zn,Mg,Mn)Fe(SO4)2(OH)·7H2O. It forms bright orange red monoclinic prismatic crystals that exhibit a vitreous to greasy luster. Its specific gravity is 2.201 and it has a Mohs hardness of 2.5.