Records of the Geological Survey of India, Volume 76, Issue 12

A. L. Coulson Abrasive Industry abrasive purposes Abrasive wheels Almandite aluminium artificial abrasives B. C. Roy bauxite beds Bihar Burma Canada Department Carborundum cent chert coated abrasives coated cloth coke colour corundum Corundum occurs crushed crystals Department of Mines Deposits Dhalbhum Diamond Diatomite Emery employed felspar flint Fused alumina future trend garnet garnet sands Geol Geological Survey glass grains grey hard Hazaribagh district high grade honing stones impurities ingredients iron J. A. Dunn J. A. Mineral Resources Kashmir Kyanite large quantities limestone LXXVI LXXVIII M. S. Krishnan Madras manufacture of abrasive manufactured abrasives Marketing and future Memoir metal polish mica natural abrasives oxide paper and cloth pebbles polishing material powders Products of Canada Pumice Records Resources of Bihar Rewa Risin spur rock sandstones siliceous silicon carbide sillimanite Singhbhum steel balls Steel wool suitable surfaces Surv Survey of India Talc Tripolite varies Vindhyan Volcanic dust