[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c17.s3.39 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.39 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.39 - **Language:** English ### [c17.s3.39](https://indike.org/pramana/ins.science.ray-1956.c17.s3.39) \*Colouring of Metals\* :—“Iron, lead and copper are coloured by means of calamine,—the whole turns into gold”. (\*cf.\* VII. 31-34). - [Previous: c17.s3.38](https://indike.org/pramana/ins.science.ray-1956.c17.s3.38) - [Next: c17.s3.40](https://indike.org/pramana/ins.science.ray-1956.c17.s3.40) - [Up: c17.s3](https://indike.org/pramana/ins.science.ray-1956.c17.s3) ## Cites (1) - [Rasārṇava](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.31) — Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1956.c17.s3.39](https://indike.org/pramana/ins.science.ray-1956.c17.s3.39) · Pramāṇa