epsomite

noun ep·som·ite \ ˈepsəˌmīt \

Definition of epsomite

plural -s
: a mineral MgSo4.7H2O consisting of native Epsom salts usually occurring massive or in crusts (hardness 2.0–2.5, specific gravity 1.75)

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Origin and Etymology of epsomite

French, from Epsom, England, its locality + French -ite


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allowing a liquid or gas to pass through

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