GORDONITE

ˈgȯ(r)d ə nˌīt noun

( -s )

Etymology: Samuel G. Gordon b 1897 American mineralogist + English -ite

: a mineral MgAl 2 (PO 4 ) 2 (OH) 2 .8H 2 O consisting of a hydrous basic phosphate of magnesium and aluminum found near Fairfield, Utah