Main Entry: scap·o·lite

Pronunciation: \ˈska-pə-ˌlīt\

Function: noun

Etymology: French, from Latin scapus shaft + French -o- + -lite; from the prismatic shape of its crystals

Date: 1802

: any of a group of minerals that are essentially complex silicates of aluminum, calcium, and sodium and that include some used as semiprecious stones