ViljoenK.S., PhillipsD., HarrisJ.W., and RobinsonD.N. “Mineral Inclusions in Diamonds from the Venetia Kimberlites, Northern Province, South Africa”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 943-945. Accessed April 2, 2020. http://ikcabstracts.com/index.php/ikc/article/view/2939.