[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Minerals and Metals in Ancient India](https://indike.org/pramana/ins.science.biswas-1996) › v2.c36.7 # Minerals and Metals in Ancient India v2.c36.7 Minerals and Metals in Ancient India v2.c36.7 - **Language:** English ### [v2.c36.7](https://indike.org/pramana/ins.science.biswas-1996.v2.c36.7) \*Ill. 2.7\* Faint green hexagonal beryl or vaidūrya. Ratnaśalākā of Kālidāsa. - [Previous: v2.c36.6](https://indike.org/pramana/ins.science.biswas-1996.v2.c36.6) - [Next: v2.c36.8](https://indike.org/pramana/ins.science.biswas-1996.v2.c36.8) - [Up: v2.c36](https://indike.org/pramana/ins.science.biswas-1996.v2.c36) --- Source: [https://indike.org/pramana/ins.science.biswas-1996.v2.c36.7](https://indike.org/pramana/ins.science.biswas-1996.v2.c36.7) · Pramāṇa