Code Name : Dark Gray Flagstone
Basalto is somewhat a type of granite, mostly found in the area of deeper location of high land such as mountains or hills.
This type of stone has special characteristic especially on the color and strength.
Basalto is also a solid material commonly used for tiling.
Unweathered basalto granit generally comes in black or grey, and it is mostly perforated, a bit different from basalt andesite.