rosieresite

noun

ro·​si·​er·​e·​site

ˌrōzēˈerəˌsīt

plural -s

: a mineral consisting of a hydrous aluminum phosphate containing lead and copper and occurring in yellow to brown stalactitic masses (specific gravity 2.2)

Word History

Etymology

French rosiérésite, from Rosières, copper mine near Carmaux, southern France + French -ite

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