noun mal·la·drite \məˈläˌdrīt, ˈmaləˌd-\

Definition of malladrite



  1. :  a sodium fluosilicate Na2SiF6 occurring in minute hexagonal crystals in fumaroles in the crater of Vesuvius near Naples in Italy

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Origin and Etymology of malladrite

Italian, from Alessandro Malladra †1944 Italian geologist + Italian -ite

Seen and Heard

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a trip made at another's expense

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