viséite

noun

vi·​sé·​ite

vēˈzāˌīt

plural -s

: a mineral Ca₅Al₁₀(PO₄)₆(SiO₄)₃(OH)₁₀.20–25H₂O consisting of a hydrous hydroxide phosphate and silicate of aluminum and calcium

Word History

Etymology

French, from Visé, town in Belgium, its locality + French -ite

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