zincobotryogen

zincobotryogen
A soft hydrous sulfate mineral that forms bright orange-red monoclinic prismatic crystals with a vitreous to greasy lustre.

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  • Zincobotryogen — is a hydrous sulfate mineral with formula (Zn,Mg,Mn)Fe3+(SO4)2(OH) middot;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.It… …   Wikipedia

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