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Search Result for "chalcanthite": 
Wordnet 3.0

NOUN (1)

1. hydrated blue crystalline form of copper sulfate;
[syn: blue vitriol, blue copperas, blue stone, chalcanthite]


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]
WordNet (r) 3.0 (2006):

chalcanthite n 1: hydrated blue crystalline form of copper sulfate [syn: blue vitriol, blue copperas, blue stone, chalcanthite]