The powder of khadyota (fire-fly) and gandúpada (earth-worm) or the powder of ocean animals mixed with the powder of bhringa (malabathrum), kapála (a pot-herb), and khadira (mimosa catechu), and karnikára (pentapetes acerifolia), combined with the oil of sakuna (a bird) and kanka (vulture), is tejanachúrna (ignition powder).