References

RRS, 4, 6.2
  gomedakaṃ cātha vidūrakaṃ ca krameṇa ratnāni navagrahāṇām //Context
RRS, 4, 7.2
  nīlākhyagomedavidūrakaṃ ca krameṇa mudrādhṛtamiṣṭasiddhyai //Context