(1) Avataṁsaka Sūtra. Nanjio 88. Translated in A.D. 695–9 by Śikshānanda.
“ There is a drug-juice called Hataka. One liang of it will turn a thousand liangs of bronze into pure gold.” Taishō Tripitaka, vol. x, p. 432, col. 2.
(2) Mahāprañāpāramitopadeśa (Chih Tu Lun). Nanjio 1169. Translated by Kumārajīva in A.D. 402–5.
(a) “ By drugs and incantations one can change bronze into gold.” Taishō Trip., vol. xxv, p. 178, col. 1.
(b) “ By skilful use of drugs silver can be changed into gold, and gold into silver.” Ibid., p. 195, col. 3.
(c) “ By spiritual power a man can change pottery or stone into gold.” Ibid., p. 298, col. 2, end.
(d) “ One measure of stone-juice can change a thousand measures of bronze into gold.” Ibid., p. 401, col. 1.
(3) Mahāyāna-samgraha-bhāshya. Nanjio 1171 (4). Translated by Hsüan-tsang, c. 650.
“ They can turn earth into gold or other precious substances just as they please.” Taishō Trip., vol. xxi, p. 358, col. 2.
(4) Abhidharma Mahāvibhāshā. Nanjio 1263. Translated by Hsüantsang, A.D. 656–9.