[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) › c36.s6.6 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s6.6 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s6.6 - **Language:** English ### [c36.s6.6](https://indike.org/pramana/ins.science.ray-1956.c36.s6.6) \*Vajram\* :—The mention of 8 faces and 6 corners seems to suggest an octahedral crystal of diamond - [Previous: c36.s6.5](https://indike.org/pramana/ins.science.ray-1956.c36.s6.5) - [Next: c36.s7.1](https://indike.org/pramana/ins.science.ray-1956.c36.s7.1) - [Up: c36.s6](https://indike.org/pramana/ins.science.ray-1956.c36.s6) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c36.s6.6](https://indike.org/pramana/ins.science.ray-1956.c36.s6.6) · Pramāṇa