Minerals and Metals in Ancient India v2.c45.s4.9

v2.c45.s4.9

Manaḥśilā or realgar came under three varieties: yellowish red, heavy śyāmāṅgī, copper-red kaṇavīraka like kaṇavīra or karavī flower and deep red, heavy khaṇḍakhyā which contains more metal (3.89-90).