Rasa Jala Nidhi, vol 2: Minerals (uparasa)
by Bhudeb Mookerjee | 1938 | 28,803 words | ISBN-10: 8170305829 | ISBN-13: 9788170305828
This second volume of the Rasa-jala-nidhi deals with the purification, incineration and medicinal uses of various minerals (uparasa), as well as preventing faults due to misuse. It is continued in the third volume which deals with the various metals. The Rasa-jala-nidhi (“the ocean of Iatrochemistry, or, chemical medicine) is a compendium of Sansk...
Part 7 - Transformation of base metals by gandhaka
First process.
Yellow sulphur and mercury rubbed with the juice of red chitraka and milk of bajri lead to the transformation of tin into silver.
Second process.
Copper is to be incinerated with gandhaka and mixed with an equal quantity of hingula. This is then to be rubbed with the juice of matulunga. Lead, when rubbed with this, will be reduced to ashes as red as red vermilion, by being subjected to puta for three times only.
Conclusion:
This concludes ‘Transformation of base metals by gandhaka’ included in Bhudeb Mookerjee Rasa Jala Nidhi, vol 2: 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.