Black granite is by far the most dark of all the natural materials. Premium Black granite can also be called a number of other names, Nero Assoluto, African Black, Indian Black, Jet black etc. Many different suppliers call Premium Black granite different names. The reason it is called Premium Black is because it is the purest or darkest granite available. Black Granite work tops have stood the test of time for many years now. In traditional or modern environments a black work top will compliment almost any colour or design. Black Granite work tops are extremely hard wearing for a work surface in the kitchen in 20 or 30 mm thick.