References

RKDh, 1, 1, 17.2
  pāṣāṇaṃ dārusambhūtaṃ tṛtīyaṃ lohasambhavam //Context
RRĂ…, R.kh., 2, 4.2
  khalvaṃ lohamayaṃ vātha pāṣāṇāśmamathāpi vā //Context