[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) › v2.c32.s4.t2 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s4.t2: Patala II A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s4.t2 - **Language:** English ### Patala II ### [v2.c32.s4.t2.1](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.1) Kākachandesvarī said :— \* \* \* Please, give a brief account of the Chemistry of the metals, the killing of mercury and minerals and the fusion of the gems. 3 4 ### [v2.c32.s4.t2.2](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.2) Srī Bhairava said :— ### [v2.c32.s4.t2.3](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.3) \* \* \* Mercury rubbed with the ingredients of the vida (see Vol. i, p. 72) and roasted in a closed crucible, is killed instantly. That mercury now acquires the power of converting a base metal into 1,000 times its weight of go'd. 13-16 ### [v2.c32.s4.t2.4](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.4) Copper, treated with the above preparation of mercury and rubbed with the acids, alkalies and the milky juice of \*Calotropis gig.\*, and roasted in a crucible, turns into gold. 18-20 ### [v2.c32.s4.t2.5](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.5) Earth for making crucibles. 21-22 Cf. Vol. i, pp. 67-68. ### [v2.c32.s4.t2.6](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2.6) Transmutation of iron into gold :—process not clear. 25-32 --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s4.t2) · Pramāṇa