Gurney, J.J., J.W. Harris, and R.S. Richard. “Silicate and Oxide Inclusions in Diamonds from Orapa Mine, Botswana”. International Kimberlite Conference: Extended Abstracts 3 (September 1, 1982): 201–201. Accessed November 24, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2249.