All About Stone GRANITE Granite is an igneous rock, which means that at one time during its development, it was melted like volcanic lava. Unlike lava, however, this melted rock... black and gray tones to pinks, browns, reds, greens and whites. Granites are quarried throughout the world in the form of huge blocks and then reduced into slabs.These slabs... are then carefully crafted by fabricators who process them into the final product. Granite is an important structural and decorative stone. It's used for immense structural work due to its...