Minerals and Metals in Ancient India v2.c43.s3.t8.19
Minerals and Metals in Ancient India v2.c43.s3.t8.19
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v2.c43.s3.t8.19
Plasma and heliotrope were mined extensively from the Indian sources. Plasma occur in the volcanic rocks of the Deccan, specially south of the Bhīma river, as pebbles around the rivers of Kṛṣṇā, Godāvarī etc. Heliotrope has been available in the district north of Rājkot, west of Cambay, around Pune and the Rājmahal hills on the Ganges, along with agate, carnelian and plasma — all these materials having been used in rings, pins, brooches, and similar ornaments.