by Bhudeb Mookerjee | 1938 | 47,185 words | ISBN-10: 8170305829 | ISBN-13: 9788170305828
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. The Rasa-jala-nidhi (“the ocean of Iatrochemistry, or, che...
Palanka (onyx) is a black stone with a white line drawn upon it. Its surface is smooth and appears to be smeared with oil. Palanka is of three different kinds, viz. black, pale-black, and ash-coloured. Each of them has a white and rope-like line drawn upon it. Sometimes there are more than one of such white lines.
This concludes ‘Uparatna (1): Onyx (palanka)’ included in Bhudeb Mookerjee Rasa Jala Nidhi, vol 3: Initiation, Mercury and Laboratory. The text includes treatments, recipes and remedies and is categorised as Rasa Shastra: an important branch of Ayurveda that specialises in medicinal/ herbal chemistry, alchemy and mineralogy, for the purpose of prolonging and preserving life.