Anandakanda 1.6.63

1.6.63

dviguñjaṃ tārajīrṇasya ravijīrṇasya ca trayam /
tīkṣṇābhrakāntamāṣaikaṃ guṃjaikā dve'thavā bhavet //

two guñjās of that which has digested silver, and three of that which has digested copper; / one māṣa, or one or two guñjās, of that which has digested steel, mica, or loadstone;