[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c12.t2.18 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.18 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.18 - **Language:** English ### [v1.c12.t2.18](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.18) Vaikrānta has eight faces and six angles, is slippery and heavy and of uniform or mixed tint. It has 8 different colours, viz., white, red, yellow, blue, with the shades met with in the down of the pigeon, grass-green, black and variegated 55-56 - [Previous: v1.c12.t2.17](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.17) - [Next: v1.c12.t2.19](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.19) - [Up: v1.c12.t2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2) ## Cites (1) - [Rasaratnasamuccaya](https://indike.org/pramana/in.med.rasa.samuccaya.pramukha.rasaratnasamuccaya) — Vāgbhaṭa (alchemist), Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.18](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.18) · Pramāṇa