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Gem and Jewelry Pocket Guide: A Traveler's Guide to Buying Diamonds, Colored ...
No preview available - 2001
The Distribution of Diamond Deposits in India by M S Krishnan
Geological Environment of Diamond Deposits and its tearing
Intensification of Exploration for Diamond in India by G C Chaterji
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agglomeratic tuff alluvial alluvium Anantapur district ancient Andhra Pradesh Banganapalle Banganapalle conglomerates belt bits calcite carats carbon cent centre Chelima colour concentration crystal Cuddapah cutters cutting and polishing depth diamond bearing diamond cutting diamond deposits diamond fields diamond industry diamond mining diamond occurrences diamond producing diamondiferous diatremes drilling dykes emplacement export facets formations gem variety Geol Geological Survey geophysical grains granite gravel beds grinding hematite horizons host rocks ilmenite India industrial diamond intrusive jigs Kaimur sandstone kimberlite kimberlite pipes known Krishna river Kurnool Kurnool district located lower Rewa magnetic Majhgawan pipe material Mathur methods metres minerals occur occurrence of diamonds olivine outcrop Panna Diamond Panna district phlogopite pipe rock pits present production prospecting quartz quartzites Ramkheria Rewa rough diamonds samples serpentine shales shape smuggling source of diamonds South Africa stones surface Surv Survey of India tonnes tuff ultrabasic upto Vindhyan volcanic pipes Wajrakarur area weathered zones