cryophyllite

noun
cry·​o·​phyl·​lite | \ ˌkrīōˈfiˌlīt\
plural -s

Definition of cryophyllite

: a lithium mica related to zinnwaldite

First Known Use of cryophyllite

1866, in the meaning defined above

History and Etymology for cryophyllite

cryo- + Greek phyllon leaf + English -ite

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