Anandakanda 2.7.70

2.7.70

arkakṣīrairdinaṃ mardya ruddhvā gajapuṭe pacet /
evaṃ śatapuṭaṃ kuryānmākṣīkaṃ ca puṭe puṭe //

Having ground it for a day with the latex of Calotropis procera and sealed it, one should cook it in an elephant pit furnace. / In this way one should perform one hundred incinerations, adding pyrite in each incineration.