2 definitions
for chalcanthite
From The Collaborative International Dictionary of English v.0.48 :
Chalcanthite \Chal*can"thite\, n. [L. chalcanthum a solution of
blue vitriol, Gr. ?.] (Min.)
Native blue vitriol. See Blue vitriol, under Blue.
[1913 Webster]
From WordNet (r) 2.0 :
chalcanthite
n : hydrated blue crystalline form of copper sulfate [syn: blue
vitriol, blue copperas, blue stone]