scapolite

noun
scap·​o·​lite | \ ˈska-pə-ˌlīt \

Definition of scapolite

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

First Known Use of scapolite

1802, in the meaning defined above

History and Etymology for scapolite

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

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The first known use of scapolite was in 1802

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