upaDAtu
upa-DAtu m. a secondary mineral, semi-metal (seven are specified: svarRa-mAkzika , pyrites; tAra-mAkzika , a particular white mineral; tutTa , sulphate of copper; kAMsya , brass; rIti , calx of brass; sindUra , red lead; SilAjatu , red chalk), Bhpr.