Basalt is a dark igneous stone that contains quartz. Basalt is created of congealed magma. There exist great amounts of Basalt all over the world but it is often cracked and therefore can be complicated to use. Basalt is a relative soft type of stone, with its airy fine structure and it’s often charcoal grey look gives a raw concrete like expression, and fills in a spot between the soft fine marble and the great strong granite. Basalt aren´t acid or scratch proof. Basalt is available in 2 different variations according to color and structure. Basalt is one of the stone types that hold the greatest strength.