Anandakanda 1.5.80

1.5.80

grāse rasāt tṛtīye ca kākaviṣṭhāsamo bhavet /
caturtho golakākāraḥ pañcame dahanaprabhaḥ //

at the third morsel of mercury, it resembles crow dung; / the fourth is shaped like a ball; at the fifth, it has the luster of fire;