References

RPSudh, 4, 4.1
  suvarṇaṃ dvividhaṃ jñeyaṃ rasajaṃ khanisaṃbhavam /Context
RPSudh, 4, 6.2
  dṛśyate khanijaṃ prājñaistaccaturdaśavarṇakam //Context