scapolite

noun

scap·​o·​lite ˈska-pə-ˌlīt 

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

Examples of scapolite in a Sentence

Recent Examples on the Web

White scapolite turns blue under UV irradiation. —David Bressan, Forbes, 21 June 2022

Word History

Etymology

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

First Known Use

1802, in the meaning defined above