TAN BROWN ALLIGATOR GRANITETan brown is rich in colour and minerals. The grown granite primarily consists of black and brown in the background but on closer inspection, clusters of red minerals and tiny specks of grey become more evident. Tan brown is sourced from India. Natural stone granite does not come in regularly uniform colours because the colour of the granite is created at the discretion of nature. Hence, the Tan Brown may show differences in colours and patterns from