Basalto Gris is in fact a Basalt. It is formed by lava and is often called lava stone .
It is a grey with minute clusters of speckle which gives it its uniform grey colour. It is fairly indestructible and makes a very contemporary looking floor.
This is available in a variety of sizes in honed 400 x 400 and 600 x 300 x 12mm, 600 x 400 and 600 x 600 x 15mm and 900 x 600 x 20mm