siserskite

noun siser·skite \ ˈsisərˌskīt , sə̇ˈsər- \

Definition of siserskite

plural -s
: a mineral consisting of a natural alloy of osmium and iridium with the latter ranging from 20 to 50 percent — compare iridosmine

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Origin and Etymology of siserskite

German sisserskit, from Syssertsk, Sverdlovsk region, U.S.S.R. + German -it -ite


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