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noun
Mineralogy. blue vitriol.
Origin:
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
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
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Chalcanthite
is always a great word to know.
So is ort. Does it mean:
| a scrap or morsel of food left at a meal. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia
chalcanthite
a widespread sulfate mineral, naturally occurring hydrated copper sulfate, CuSO45H2O. It occurs in the oxidized zone of copper deposits and is frequently found on the timbers and walls of mine workings, where it has crystallized from mine waters. It was formerly an important ore mineral in Chile and was a minor ore at Butte, Mont. At one time large quantities were shipped to the Comstock Lode in Nevada, where it was used to reduce silver ores. Its blue crystals dehydrate to an opaque greenish-white powder on exposure to dry air. For detailed physical properties, see sulfate mineral (table)
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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