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 10 - Transformation of tin into silver by means of mica

First process.

White mica, white glass, aconite, saindhava, and tankana are to be rubbed with the milk of snuhi for one day and made into a paste with which are to be coated the surfaces of a tin foil four times in weight of the paste. The tin foil is next to be subjected to heat in a blind crucible. When smelted, it will have to be poured into putranjiba oil. The process of coating with paste, heating, and then immersion into putranjiba oil is to be performed for seven times each, respectively, with the result that the tin will turn into a very fine white silver.

Second process.

White mica, sulphur, mercury, and a red flower—these four, rubbed with the milk of sehundu, turn tin into silver.

Conclusion:

Rasasastra category This concludes ‘Transformation of tin into silver by means of mica’ 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.

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