Mesaite
Mesaite is a very rare mineral with formula CaMn2+53•12H2O. It is monoclinic. It is related to fianelite, another manganese-rich divanadate. Examples of other divanadate minerals are volborthite, engelhauptite, karpenkoite, and martyite.
Mesaite is a very rare mineral with formula CaMn2+53•12H2O. It is monoclinic. It is related to fianelite, another manganese-rich divanadate. Examples of other divanadate minerals are volborthite, engelhauptite, karpenkoite, and martyite.