History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c19.16
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c19.16
- Language
- English
c19.16
11. Now having described the method of making silver I shall speak of making gold which is just like nectar, 12. In the Himalayas there is a very good and well-known plant called *kustha* (*Costus speciosa*—*ru. rta*), from the leaf of which drops towards the earth (*sa. phyogs*) a fluid having a colour like bright gold. This and the ashes of pure lead (*za. ne. dkar. po*), and quicksilver when, according to the instruction given, come into contact with the copper mixed with silver, they turn into gold.