Bluestone

Copper II sulfate pentahydrate
Found on http://www.translationdirectory.com/glossaries/glossary071.htm

bluestone

[n] - bluish-gray sandstone used for paving and building
Found on http://www.webdictionary.co.uk/definition.php?query=bluestone

Bluestone

(In topic `E-Business Solutions`) Bluestone Software`s Total-e-Business product suite provides companies with an e-Business platform and solution.
Found on http://www.encyclo.co.uk/local/20477

Bluestone

Blue'stone` noun 1. Blue vitriol. Dunglison. 2. A grayish blue building stone, as that commonly used in the eastern United States.
Found on http://www.encyclo.co.uk/webster/B/70

bluestone

noun bluish-grey sandstone used for paving and building
Found on https://www.encyclo.co.uk/local/20974

Bluestone

• (n.) Blue vitriol. • (n.) A grayish blue building stone, as that commonly used in the eastern United States.
Found on http://thinkexist.com/dictionary/meaning/bluestone/

bluestone

(from the article `Stonehenge`) ...by a ring of tall sarsen uprights, all originally capped by horizontal sarsen stones in a post-and-lintel arrangement. Within the sarsen stone ...
Found on http://www.britannica.com/eb/a-z/b/82

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...
Found on http://www.infoplease.com/ce6/sci/A0808000.html

Bluestone

Bluestone is a cultural or commercial name for a number of dimension or building stone varieties, including: ==Bluestone of Stonehenge== The term `bluestone` in Britain is used in a loose sense to cover all of the `foreign` stones at Stonehenge. It is a `convenience` label rather than a geological term, since at least 20 different rock types...
Found on http://en.wikipedia.org/wiki/Bluestone

Bluestone

A hard sandstone of characteristic blue, olive green, gray and buff colors quarried in the states of New York and Pennsylvania (historically quarried near the Hudson River, Appalachian Plateau). Bluestone is most commonly purchased for use as flagstone and other forms of paving.
Found on http://www.selectstone.com/architectural-resources/stone-glossary/

Bluestone

A dense, hard, fine-grained, commonly feldspathic sandstone or siltstone of medium to dark or bluish-gray color that splits readily along original bedding planes to form thin slabs. Bluestone is not a technical geologic term. It is considered to be a variety of flagstone, the thin relatively smooth-surfaced slabs being suitable for use as flagging....
Found on http://www.contractorschoolonline.com/Masonry-Glossary.aspx

Bluestone

A blue to bluish-green argillaceous metamorphic sandstone of even texture and bedding, historically quarried neat the Hudson River.
Found on http://www.encyclo.co.uk/local/22192
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