magnesiocopiapite

magnesiocopiapite

[mag‚nē·zhō·′kō·pē·ə‚pīt] (mineralogy) MgFe4(SO4)6(OH)2· 20H2O A mineral of the copiapite group composed of hydrous basic magnesium and iron sulfate; it is isomorphous with copiapite and cuprocopiapite.