Antique Flagstone Black Slate Imported from India. Antique Black is a beautiful charcoal grey to black-toned limestone. The dark color can create a nice contrast with lighter-toned concrete and make plants stand out. We do offer 2 types of black slate stone produced in California. Before purchasing an imported stone from overseas we ask you to consider the positive economic and environmental impact you can have by purchasing stone quarried here in the USA, Canada, or Mexico. Flagstone is priced by the pound, we can deliver this flagstone in any quantity you need for installing a flagstone walkway or patio.
This fine-grained sandstone can be used for flagging or paving walks, driveways, and patios. It can also be used as a wall stone or as a stone veneer. Our stone is delivered on pallets and we offer both select and patio grades. This stone is also available in ledge material, saw cut material, and sometimes as boulders.