johnstrupite

noun

john·​strup·​ite

ˈjänˌstrəˌpīt

plural -s

: a mineral approximately (Ca,Na)₃(Ce,Ti,Zr)Si₂O₈F consisting of a complex silicate of cerium and other metals in prismatic crystals (specific gravity 3.29)

Word History

Etymology

German johnstrupit, from Frederik Johnstrup †1894 Danish mineralogist + German -it -ite

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