bluestone

American  

[bloo-stohn] / ˈbluˌstoʊn /

noun

1. a bluish, argillaceous sandstone used for building purposes, flagging, etc.

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bluestone British  

/ ˈbluːˌstəʊn /

noun

1. a blue-grey sandstone containing much clay, used for building and paving

2. the blue crystalline form of copper sulphate

3. a blue variety of basalt found in Australia and used as a building stone

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Etymology

Origin of bluestone

First recorded in 1645–55; blue + stone

Example Sentences

The campus looked a lot like the Institute, with its rolling hills, redbrick Victorian buildings, and bluestone roofs.

From Literature

Their work offers evidence for the first time of links between cattle remains at Stonehenge and Wales, at the time when the bluestone megaliths were moved to the site.

From BBC

While many archaeologists believe the smaller bluestones from the Preseli Hills were transported by humans, others believe they were transported by glacial ice long before Stonehenge was built.

From BBC

It is composed of sarsens and bluestones, all of them aligned towards the sunrise on the summer solstice and sunset on the winter solstice.

From Salon

Most of the bluestones are believed to have been the first stones erected at the site.

From BBC