Rasamanjari 3.16

3.16

<hīraka>
śvetapītā raktakṛṣṇā dvijādyā vajrajātayaḥ /
puṃstrīnapuṃsakaṃ ceti lakṣaṇena tu lakṣayet //

<Diamond>
White, yellow, red, and black are the classes of diamond, beginning with the brahmin;
and one should recognize them by their characteristics as male, female, or hermaphrodite.