Mazzone, P., and S. E. Haggerty. “Corganites and Corgaspinites. Two New Types of Aluminous Assemblages from the Jagersfontein Kimberlite Pipe”. International Kimberlite Conference: Extended Abstracts, vol. 4, no. 1, Sept. 1986, pp. 279-81, doi:10.29173/ikc1143.