chalcanthite Meaning, Definition & Usage

  1. noun hydrated blue crystalline form of copper sulfate
    blue stone; blue copperas; blue vitriol.

WordNet

Chal*can"thite noun
Etymology
L. chalcanthum a solution of blue vitriol, Gr. .
Definitions
  1. (Min.) Native blue vitriol. See Blue vitriol, under Blue.

Webster 1913