A History of Indian Medical Literature v3.c48.s3.15

v3.c48.s3.15

Śilājatu has its origin in rocks or an alkaline earth (4.93); the first kind is of four varieties: sauvarṇa, rājata, tāmra and āyasa (4.94–98); another kind of śilājatu, used in fireworks (agnibāṇa),⁵⁹ is called soraka (4.133). The usual four varieties of capala are mentioned: white, black, yellowish green (harit) and red (4.136).