White, grey, and black granite is a natural igneous rock composed primarily of quartz, feldspar, and mica, along with smaller amounts of other minerals like amphiboles. The white areas typically come from feldspar, which forms the base or background of the stone. Quartz, which appears as translucent or grey crystals, adds depth and contrast, while black specks or veins are usually due... https://www.blogger.com/blog/post/edit/preview/807900278000592133/4437528798570000132