[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Medicine](https://indike.org/pramana/in.med) › [Alchemy and Iatrochemistry](https://indike.org/pramana/in.med.rasa) › [Metallurgical alchemy and transmutation into gold](https://indike.org/pramana/in.med.rasa.dhatuvada) › [Rasādhyāya](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya) › [English (machine translation)](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt) › 235\_271 # Rasadhyaya 235\_271 English (machine translation) 235\_271 - **Language:** English ### [235\_271](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt.235_271) Here, the lead amalgam (nāgarāji) is ordinary, having small efficacy. / The chalcopyrite amalgam (mākṣikārāji) has middling efficacy. / The bell-metal amalgam (vyoṣarāji) is superior, having great efficacy. / The ayaḥprakāśa amalgam is superior to all those amalgams, meaning it produces the best results of all. / Therefore, the ayaḥprakāśa amalgam is stated first. / One pala of tempered steel and two palas of bell-metal; / nine palas of pure copper and three palas of brass; / fifteen palas of lead killed with realgar: / throwing thirty palas in total into a crucible, they should be melted. / Then, taking seven and a half palas of golden chalcopyrite and casting it gradually into the middle, it should be melted gently again and again until it equals the measure of the copper part. / This is the meaning: / there are nine palas of copper; / therefore, when the whole molten matter, upon melting, comes to the measure of nine palas, then it is called the first amalgam, ayaḥprakāśa. / Thus is explained the all-surpassing ayaḥprakāśa amalgam. - [Previous: 235\_270](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt.235_270) - [Next: 236](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt.236) --- Source: [https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt.235_271](https://indike.org/pramana/in.med.rasa.dhatuvada.rasadhyaya~en-mt.235_271) · Pramāṇa