DAVISONITE

ˈdāvəsəˌnīt noun

( -s )

Usage: usually capitalized

Etymology: John M. Davison died 1915 American chemist and mineralogist + English -ite

: a mineral Ca 3 Al(PO 4 ) 2 (OH) 3 .H 2 O(?) consisting of a hydrous basic phosphate of calcium and aluminum