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

Certainly, no prying eyes could see through to the pool area, which is bordered by a bluestone patio.

From MarketWatch • Apr. 8, 2026

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 • Aug. 22, 2025

Today, a 5-foot-wide ADA-accessible pathway switches back and forth through the heart of the garden, and meandering paths of permeable crushed stone intersect with terraced overlooks detailed with salvaged bluestone and cobbles.

From Seattle Times • Mar. 19, 2022

A piece of bluestone most likely used in the building of that cemetery is on display at the British Museum, as are some contents of the 5,000-year-old graves, including bone pins used for fastening shrouds.

From New York Times • Feb. 17, 2022

I walked past the mountain laurels and the Japanese maple, up the bluestone steps of Morrie’s house.

From "Tuesdays with Morrie" by Mitch Albom