Daniels, L. R. M., et al. “Diamondiferous Garnet Macrocrysts in the Newlands Kimberlite, South Africa - Rosetta Stones from the Kaapvaal Craton”. International Kimberlite Conference: Extended Abstracts, vol. 6, no. 1, Sept. 1995, pp. 121-3, doi:10.29173/ikc1803.