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didymolite

noun
did·y·mo·lite | \ ˈdidəməˌlīt \
plural -s

Definition of didymolite 

: a mineral consisting of a calcium aluminum silicate Ca2Al6Si9O29 occurring in dark gray monoclinic twinned crystals

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History and Etymology for didymolite

didym- + -lite

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Dictionary Entries near didymolite

didym-

didymium

didymo

didymolite

didymous

Didynamia

didynamous

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