Rasamanjari 6.58

6.58

bhāgadvayaṃ śilāyāśca gandhakasya trayo matāḥ /
tālakāṣṭādaśa bhāgāḥ śulbasya bhāgapañcakam //

two parts of realgar, and three are prescribed of sulphur;
eighteen parts of yellow orpiment, five parts of copper;