[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.t3.39 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.39 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.39 - **Language:** English ### [v1.c12.t3.39](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.39) of the Yamunā and other rivers. It is called Saffed Surma in the vernacular, and the article supplied under this name by Hindustani medicine-vendors is calcareous Iceland spar.¹ It is used as a collyrium for the eyes, but is considered inferier to the black surma or galena. - [Previous: v1.c12.t3.38](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.38) - [Next: v1.c12.t3.40](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.40) - [Up: v1.c12.t3](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.39](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.39) · Pramāṇa