Anandakanda 2.5.78

2.5.78

ayaścitrāyasaṃ proktaṃ cīnajaṃ ca tripañcadhā /
<muṇḍaloha:: synonyms>
muṇḍaṃ muṇḍāyasaṃ lohaṃ kṛṣṇalauhaṃ śilodbhavam //

it is called aya, citrāyasa, and cīnaja—in fifteen ways.
<Muṇḍa iron: synonyms>
Muṇḍa, muṇḍāyasa, loha, kṛṣṇalauha, [and] śilodbhava.