Extract
Classic Rock
BLUESTONE
Ancient waters gave bluestone its smoothness. Shells, silt, dirt, and other sediments settling on the bottom of now-vanished rivers and inland seas hardened over millions of years into a sedimentary stone that can be found in spots as disparate as Newfoundland and New Zealand. Pennsylvania bluestone is considered the highest-grade variety, The dark and bluish gray material is often used in rough form in patios. But cut to more precise specifications, bluestone also can be applied to interior details, such as sills, countertops, and flo...See the full content of this document
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