[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.c47.76 # Minerals and Metals in Ancient India v2.c47.76 Minerals and Metals in Ancient India v2.c47.76 - **Language:** English ### [v2.c47.76](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.76) \*Heliotrope\* : see Quartz - [Previous: v2.c47.75](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.75) - [Next: v2.c47.77](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.77) - [Up: v2.c47](https://indike.org/pramana/ins.science.biswas-1996.v2.c47) --- Source: [https://indike.org/pramana/ins.science.biswas-1996.v2.c47.76](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.76) · Pramāṇa