Rasa Jala Nidhi, vol 3: Metals, Gems & other substances

[Paul Ferguson]

"This third volume of the Rasa-jala-nidhi deals with purification techniques of the Seven Metals (sapta-dhatu) and various Gems (ratna). It also deals with substances such as Alkalis (kshara), Salts (lavana), Poisions (visha) and Semi-poisions (upavisha) as well as various alcholic liquors."

https://www.wisdomlib.org/hinduism/book/...i-volume-3