Englishite

noun

En·​glish·​ite

-ˌshīt

plural -s

: a mineral perhaps in the relation K₂Ca₄Al₈(PO₄)₈(OH)₁₀.9H₂O consisting of hydrous basic phosphate of potassium, calcium, and aluminum

Word History

Etymology

George L. English †1944 American mineral dealer and collector + English -ite

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