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serpierite

noun ser·pie·rite \ ˈsərpēəˌrīt , sərˈpiˌr- \
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Definition of serpierite

plural -s
: a mineral (Cu,Zn,Ca)5(SO4)2(OH)6.3H2O consisting of a hydrous basic sulfate of copper, calcium, and zinc occurring in small tabular bluish green crystals and tufts

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Origin and Etymology of serpierite

French serpierite, from J. B. Serpieri, 19th century Italian engineer, explorer of the ancient silver mines at Laurium + French -ite

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