History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s3.t4.16
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s3.t4.16
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v1.c17.s3.t4.16
We would now mention one non-gem mineral resource widely used in ancient India. The major source of sodium has been the riverine efflorescent alkaline *reh* deposits which ruin agriculture but aid industries. These natural deposits of *reh* salts, known as *khari* in Bihar, *kallar* in Punjab, *chavudu* in Andhra Pradesh, were used in the ancient times for making glass, providing glaze in the NBPW ware etc.