Minerals and Metals in Ancient India v2.c42.s2.t1.4
Minerals and Metals in Ancient India v2.c42.s2.t1.4
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v2.c42.s2.t1.4
Mount Nila (Nilagiri) probably derived its name from the sea-blue aquamarine in the Coimbatore district. The ocean and Sri Lanka have been mentioned as the chief sources of gems such as beryl, pearl and coral etc: