[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) › c98.11 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c98.11 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c98.11 - **Language:** English ### [c98.11](https://indike.org/pramana/ins.science.ray-1956.c98.11) Gems, 106, 177, 201; colour of, 263, dissolution of, 131; examination of, 55, 56; fusibility of, 204, general process of reducing to ashes, 179; general properties, 204; hardness of, 203; killing of, 179, lustre of, 203; optical properties of, 203; relative weight of, 202, transparency of, 203. - [Previous: c98.10](https://indike.org/pramana/ins.science.ray-1956.c98.10) - [Next: c98.12](https://indike.org/pramana/ins.science.ray-1956.c98.12) - [Up: c98](https://indike.org/pramana/ins.science.ray-1956.c98) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c98.11](https://indike.org/pramana/ins.science.ray-1956.c98.11) · Pramāṇa