Rasendracudamani 14.161

14.161

{pittala}
rītikā kākatuṇḍīti dvividhaṃ pittalaṃ bhavet /
{rītikā:: parīkṣā}
saṃtaptā kāñjike kṣiptā tāmrābhā rītikā matā /
{rājarīti:: parīkṣā}
evaṃ prajāyate kṛṣṇā kākatuṇḍīti sā matā //

[Brass] / Brass is of two kinds: rītikā and kākatuṇḍī. / [Testing rītikā] / Heated and plunged into fermented rice-water, what looks like copper is considered rītikā. / [Testing rājarīti] / That which becomes black in this way is considered kākatuṇḍī.