scapolite

Scap"o*lite, n. Etym: [Gr. scapus a stem, sta-lite: cf. F. scapolite.] (Mon.) Defn: A grayish white mineral occuring in tetragonal crystals and in cleavable masses. It is esentially a silicate of aluminia and soda. Note: The scapolite group includes scapolite proper, or wernerite, also meionite, dipyre, etc.

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