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bluestone

bluestone, common name for the blue, crystalline heptahydrate of cupric sulfate called chalcanthite, a minor ore of copper. It also refers to a fine-grained, light to dark colored blue-gray sandstone. Deposits are extensively quarried as flagstone (paving stone) in New York and Pennsylvania and used commercially for buildings and paving stone.

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"bluestone." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"bluestone." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/bluestone

"bluestone." The Columbia Encyclopedia, 6th ed.. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/bluestone

bluestone

bluestoneflagstone, ragstone •Blackstone, jackstone •sandstone • capstone • hearthstone •headstone • gemstone • whetstone •hailstone • gravestone •freestone, keystone •greenstone • Wheatstone •Tinseltown • ringtone • pitchstone •millstone • whinstone • siltstone •holystone • semitone •stepping stone • coping stone •baritone • acetone • dulcitone •tritone • drystone • milestone •limestone •grindstone, rhinestone •cobblestone • gallstone • brownstone •lodestone • soapstone • duotone •microtone • bluestone • tombstone •moonstone • touchstone •bloodstone, mudstone •sunstone • ironstone • undertone •monotone • cornerstone •Silverstone • overtone •kerbstone (US curbstone) •turnstone •birthstone • flavone • endzone •cortisone • ozone

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"bluestone." Oxford Dictionary of Rhymes. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"bluestone." Oxford Dictionary of Rhymes. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/bluestone

"bluestone." Oxford Dictionary of Rhymes. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/bluestone