[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.t2.13 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.13 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.13 - **Language:** English ### [v1.c12.t2.13](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.13) There are three varieties of mica, namely, pinākam, nāgamandūkam and vajram and each of these again are of four different colours—white, red, yellow and black. 5-10 - [Previous: v1.c12.t2.12](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.12) - [Next: v1.c12.t2.14](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.14) - [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.t2.13](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.13) · Pramāṇa