bluestone

[ bloo-stohn ]

noun

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

bluestone

/ 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

Word History and Origins

Origin of bluestone¹

First recorded in 1645–55; blue + stone

Example Sentences

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

The area’s state representative, Jonathan Fritz, said an overwhelming number of his constituents favor natural gas drilling, an important economic engine in a county where farming, logging and bluestone quarrying were primary industries.

From Seattle Times

The largest "bluestone" at the heart of Stonehenge may not be from Wales, according to new research.

From BBC

Popular types for hardscape features include slate, granite, limestone, sandstone and bluestone.

From Seattle Times