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 Breccia Uses. We have provided you with all information about Breccia rock here. Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, 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 Breccia is white. Get to know more about Breccia rock and characteristics of Breccia rock in the next sections.