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 Charnockite Uses. We have provided you with all information about Charnockite rock here. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. Charnockite is available in black, grey, orange, pink, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Charnockite is white. Get to know more about Charnockite rock and characteristics of Charnockite rock in the next sections.