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111
Third Chapter.
Various Chemical Processes for Making Gold and Silver Chemical. First Section-Process for making gold.
Having rubbed mercury, gold and copper with the juice of yellow Andropogon serratus, the essence of these, measuring one guñj is to be given into copper measuring 1 tola. There will be accomplished gold.
Or having mixed these three things-mercury, gold and copper together, they are to be rubbed with the juice of yellow Andropogon serratus for four days. Seven pratipuțas (re-roastings) are to be given to their essence every day. It is to be put into a mortar (Kharala). An earthen pot of Koşthaka clay is to be made, --next the pill of that (essence) is to be placed into the earthen pot. On its getting dried up, seven layers of clay and cloth are to be put over it. Next a square pit is to be dug. On filling dry pieces of wild cowdung into it (pit) and placing the earthen pot in it. lit fire on all sides. When all things get cooled down after burning, take
ut the earthen pot from the pit. There takes place the fruit by this process. Put the essence vāla-1 into 1 tola of copper. (There will be gold)?.
On the fixation of orpiment and mercury, the classes of metals-pure copper, iron and lead get converted into gold by the contact of cinnabar and fire on the removal of blackness of mercury with the juice of black datura meta.
Then again they attain goldness by the process of saturation of the juice of medicine called pathari (Thalophytum ?)3
Copper together with long gourd is to be mixed with the root of cocceinia Indica (tidu). There the mixture is heated;) it (Copper) becomes gold. 4
Bring taliyo borax and calamine, and brinjal, put 4-4 pieces of (each of) borax and calamine into the brinjal on all sides; give seven chavafamvati bhāvanās (saturations) to that brinjal with maund of urine of she buffalo heifer, bring new-new brinjal seven times. Next take out the calamine (from inside of the brinjal), do it in such a way that the pieces of calamine do not break into the brinjal. They should be taken out as 1. SRSS. Ch. 1.1., Ch. II 2. SRSS., Ch. 1.1., Ch. II. 1 3. SRSS.. Ch. 1.2, Ch. 2 (Comm). 4. SRSS., Ch. 1.6.
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