Definition of chalcophyllite
: a highly basic arsenate and sulfate of copper and aluminum Cu18Al2(AsO4)3(SO4)3(OH)27.33H2O of various shades of green that occurs in tabular crystals or foliated masses
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Origin and Etymology of chalcophyllite
German chalkophyllit, from chalk- chalc- + phyll- + -it -ite
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