Hydrated blue crystalline form of copper sulfate

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Chalcanthite \Chal*can"thite\, n. [L. chalcanthum a solution of blue vitriol, Gr. ?.] (Min.) Native blue vitriol. See Blue vitriol , under Blue .

Wiktionary Word definitions in Wiktionary
n. (context mineral English) A mineral form of copper sulfate, coppersulfuroxygen 4 .

WordNet Word definitions in WordNet
n. hydrated blue crystalline form of copper sulfate [syn: blue vitriol , blue copperas , blue stone ]

Wikipedia Word definitions in Wikipedia
Chalcanthite , whose name derives from the Greek, chalkos and anthos , meaning copper flower, is a richly-colored blue/green water-soluble sulfate mineral CuSO·5HO. It is commonly found in the late-stage oxidation zones of copper deposits. Due to its ready ...