abstract:Meyerhofferite is a hydrated borate mineral, with the chemical formula Ca2B6O6(OH)10·2(H2O),Meyerhofferite Webmineral data CaB3O3(OH)5·H2OHandbook of Mineralogy or Ca2(H3B3O7)2·4(H2O).Mindat with localities It occurs principally as an alteration product of inyoite, another borate mineral.