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duplexite

noun du·plex·ite \ ˈd(y)üˌplekˌsīt \

Definition of duplexite

plural -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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