Anandakanda 2.7.76

2.7.76

mardayedāranālena gharme sthālyāṃ puṭe pacet /
evaṃ daśadinaṃ kuryāt punastāpyaṃ śatāṃśataḥ //

One should grind it with sour fermented gruel, and cook it in a pot in the sun and in an incineration pit. / One should do this for ten days; then, having added a hundredth part of pyrite,