Basalt is an extrusive volcanic rock, usually black or greyish tone and fine grained due to the rapid cooling of the magma at the earth’s surface. Basalt is frost resistant and durable so very versatile and used for many types of applications. From kitchen work tops, vanity tops, internal flooring, pavements and cladding. It is also available in many finishes Honed, bush hammered and polished. A slate originates from river sediment and exists through the action of compression and heat. Slate is one of the most durable of natural stones and will compliment any hearth or mantelpiece. It is also available in two finishes Honed or natural cleft.