gordonite
noun
gor·don·ite
ˈgȯ(r)dᵊnˌīt
plural -s
: a mineral MgAl2(PO4)2(OH)2.8H2O consisting of a hydrous basic phosphate of magnesium and aluminum found near Fairfield, Utah
Word History
Etymology
Samuel G. Gordon, born 1897 American mineralogist + English -ite