1) Blue copperas 2) Blue stone 3) Blue vitriol 4) Copper sulfate 5) Copper sulphate 6) Cupric sulfate 7) Cupric sulphate 8) Triclinic mineral
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https://www.crosswordclues.com/clue/chalcanthite
Chalcanthite, whose name derives from the Greek, chalkos and anthos, meaning copper flower, is a richly-colored blue/green water-soluble sulfate mineral CuSO4·5H2O. It is commonly found in the late-stage oxidation zones of copper deposits. Due to its ready solubility, chalcanthite is more common in arid regions. Chalcanthite is a pentahydrate and...
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http://en.wikipedia.org/wiki/Chalcanthite
• (n.) Native blue vitriol. See Blue vitriol, under Blue.
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http://thinkexist.com/dictionary/meaning/chalcanthite/
a widespread sulfate mineral, naturally occurring hydrated copper sulfate, CuSO45H2O. It occurs in the oxidized zone of copper deposits and is ...
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http://www.britannica.com/eb/a-z/c/51
Chal·can'thite noun [ Latin
chalcanthum a solution of blue vitriol, Greek ....]
(Min.) Native blue vitriol. See
Blue vitriol , under
Blue .
Found on
http://www.encyclo.co.uk/webster/C/51
Chalcanthite is native blue vitriol, a minor ore of copper found only in arid regions. It occurs near the surface in copper veins and is often deposited on iron from the water in copper mines. It is used in calico printing, insecticides and for industrial purposes. It has the formulae CuSO45H2O and a relative hardness of 3.
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http://www.probertencyclopaedia.com/browse/HC.HTM
Copper(II) sulfate
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http://www.translationdirectory.com/glossaries/glossary075.htm
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