lacroixite

noun

la·​croix·​ite

ləˈkrwäˌzīt

plural -s

: a mineral approximately Na(Ca,Mn)AlPO₄(OH)₃ that consists of a basic phosphate of aluminum, calcium, manganese, and sodium often containing fluorine and that occurs in pale yellowish green crystals (hardness 4.1)

Word History

Etymology

French, from F. A. Alfred Lacroix †1948 French mineralogist + French -ite

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