Definition of devillite
: a mineral Cu4Ca(SO4)2(OH)6.3H2O consisting of a hydrous basic sulfate of copper and calcium found in Cornwall and elsewhere in dark green 6-sided platy crystals
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Origin and Etymology of devillite
French devilline devillite (from Henri Étienne Sainte-Claire Deville †1881 French chemist + French -ine) + English -ite
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