lithidionite

noun

li·​thid·​i·​o·​nite

lə̇ˈthidēəˌnīt

plural -s

: a mineral (Cu,Na₂,K₂)Si₃O₇ consisting of a rare silicate of alkalies and copper

Word History

Etymology

Italian litidionite, from Greek lithidion pebble (diminutive of lithos stone) + Italian -ite

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