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chalcanthite

[kal-kan-thahyt]
noun
  1. Mineralogy. blue vitriol.

Origin of chalcanthite

1855–60; < Latin chalcanth(um) (< Greek chálkanthon blue vitriol, literally, flower of copper, equivalent to chalk(ós) copper + ánth(os) flower + -on neuter suffix) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for chalcanthite

chalcanthite

noun
  1. a blue secondary mineral consisting of hydrated copper sulphate in triclinic crystalline form. Formula: CuSO 4 .5H 2 O

Word Origin for chalcanthite

C19: via German from Latin chalcanthum copper sulphate solution, from Greek khalkanthon, from khalkos copper + anthos flower; see -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012