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duplexite
noun
du·plex·ite
\ˈd(y)üˌplekˌsīt\
Definition of duplexite
-s
: a mineral perhaps Be4Ca6Al2Si14O41.2H2O consisting of hydrous beryllium calcium aluminosilicate
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Origin and Etymology of duplexite
S. Duplex, 20th century Australian quarry manager who found it + English -ite
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