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
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