pə̇ˈzäˌnīt, -zaˌn- noun
( -s )
Etymology: German pisanit, from Félix Pisani died 1920 French chemist and mineralogist + German -it -ite
: a mineral (Fe,Cu)SO 4 .7H 2 O consisting of a hydrous iron copper sulfate isomorphous with melanterite and kirovite