Kautilya's Arthashastra 13.4.20

13.4.20

sarvalohacūrṇam agnivarṇaṃ vā kumbhīsīsatrapucūrṇaṃ vā pāribhadrakapalāśapuṣpakeśamaṣītailamadhūcchiṣṭaka.śrīveṣṭakayukto 'gniyogo viśvāsaghātī vā //

The powder of all the metals (sarvaloha) as red as fire, or the mixture of the powder of kumbhí (gmelia arberea, sísa (lead), trapu (zinc), mixed with the charcoal powder of the flowers of páribhadraka (deodar), palása (Butea Frondosa), and hair, and with oil, wax, and turpentine, is also an inflammable powder.