[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.c45.s2.3 # Minerals and Metals in Ancient India v2.c45.s2.3 Minerals and Metals in Ancient India v2.c45.s2.3 - **Language:** English ### [v2.c45.s2.3](https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2.3) Vaikrānta has been described (\*RRS\*, 2.53-2.60) as ‘possessing eight edges, eight facets, six angles, smooth and heavy, associated with one or more of eight kinds of colours, occurring around Vindhya, able to cut down or deform the metals’: - [Previous: v2.c45.s2.2](https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2.2) - [Next: v2.c45.s2.4](https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2.4) - [Up: v2.c45.s2](https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2) ## Cites (1) - [Rasaratnasamuccaya](https://indike.org/pramana/in.med.rasa.samuccaya.pramukha.rasaratnasamuccaya.2.53) — Vāgbhaṭa (alchemist), Sanskrit --- Source: [https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2.3](https://indike.org/pramana/ins.science.biswas-1996.v2.c45.s2.3) · Pramāṇa