Enlightenment Al -Ghobash in the virtue of Sudan and Habash

He mentioned the translations of the doors: The first chapter in a mention of those attributed to Sudan. The second chapter in the reason for the blackness of their colors. I gathered in the nature of Sudan. Chapter Six is ??the virtues of things that were devoted to the darkness of the color of animals, plants and stones. Chapter Seven in a statement that there is no preference for white over black in color, but the credit for piety.