What is another word for blue stone?
Pronunciation: [blˈuː stˈə͡ʊn] (IPA) 
There are several synonyms for the term "blue stone," which often refers to a type of bluish-gray, volcanic rock commonly used for construction and landscaping purposes. Some of the most common synonyms include bluestone, basalt, and granite. Bluestone is a popular term in the United States and Australia, where it is often used as a paving material for sidewalks, patios, and driveways. Basalt, on the other hand, is a more technical term used by geologists to describe a specific type of volcanic rock that forms from the solidification of lava. Granite is another popular type of natural stone, often valued for its durability and aesthetic appeal in construction projects. Other terms that might be used as synonyms for blue stone include slate, sandstone, and limestone.
