Also known as European Manten stone- is a highly sought-after stone, it is well known for its unique rugged texture and "cracking" pattern. The color varies from brownish to gray. Large pieces has a strong character making a real statement and set the atmosphere of the scape. It is an ideal stone for Iwagumi style and high rocky formations with sense of wabi-sabi. It is very versatile as it also great to be combined with wood creating a very natural look.