Anandakanda 2.6.14

2.6.14

catvāriṃśadgajapuṭair vaṅgakaṃ bhasma jāyate /
<vaṅgaguṇāḥ>
vaṅgaṃ tīkṣṇoṣṇakaṭukamīṣadvātaprakopanam //

With forty elephant-pit furnaces, tin becomes ash.
<Properties of tin>
Tin is sharp, hot, pungent, and slightly provokes vāta;