Minerals and Metals in Ancient India v2.c44.s6.t2.13

v2.c44.s6.t2.13

*Rasakalpa* mentioned *mahārasas*, *uparasas* and *rasas*. It referred to *culikālavaṇa* (sal ammoniac) used as a *vida* for killing gold. There were two kinds of *tāla*, *tālakam dviprakāram syāt godantaḥ pāṭalacchaviḥ* two kinds of *gairika*, one of golden blue, the other red. There were different kinds of *saurāṣṭris* or alums and three kinds of *kāsīsas* (green and other vitriols):