Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Cataclasite Uses. We have provided you with all information about Cataclasite rock here. Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix. Cataclasite is available in brown, green, white, yellow colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Cataclasite is black. Get to know more about Cataclasite rock and characteristics of Cataclasite rock in the next sections.