spencerite

noun

spen·​cer·​ite

-rīt

plural -s

: a mineral Zn₄(PO₄)₂(OH)₂.3H₂O consisting of a hydrous basic zinc phosphate occurring in pearly white scaly masses and small monoclinic crystals (hardness 2.7, specific gravity 3.1)

Word History

Etymology

Leonard J. Spencer †1959 English mineralogist + English -ite

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