References

RSK, 2, 13.2
  tatra kāntodbhavaṃ lohaṃ kṣepyaṃ taistatsamaṃ guṇaiḥ //Context
RSK, 2, 35.2
  kāntaṃ lohaṃ gajākhyaṃ ca ṣaḍvidhaṃ tīkṣṇamucyate //Context