Kimberlites, Orangeites, Lamproites, Melilitites, and Minettes: A PETROGRAPHIC ATLAS by Roger Mitchell
This volume, a comprehensive guide to the petrography of diamond-bearing and related rocks, is an essential reference for geologists involved with exploration for diamonds, and is invaluable for all petrologists interested in alkaline igneous rock petrography.

PEROVSKITES:Modern and Ancient by Roger Mitchell
This volume is intended as an introduction for the neophyte to the structure and compositional variation found in perovskite-group and related compounds, will be of interest to solid state chemists, materials scientists, crystallographers, and mineralogists.