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24
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silajita can be purified by washing it in Ksāra (or oxide), amla (AcidKāñji) and cow's urine. There is another process of purifying silājita. Take one of these liquid substances-milk, the decoction of triphla and arka (calotropis gantia) and fill it in an iron pot; then put silājita into it and place it in the sun. The best part of silajitá gets together on the surface, while the dirty part of it settles down at the bottom of the pot by this process. It can be purified also by the process of Svedana with the juice of Ksara, amla or guggula (Commiphora mukul : Indian Bdellium) for one ghaạil (24 minutes).
Pātanakarma of silājita can be done by grinding it and rubbing it with dhanyāmla, poison and sub-poison. This pātan is done like that of capala (bismuth)
Rub śilājita together with realgar, sulphur and orpiment in the juice of citrus medica and make pills (or balls) of it. Then give puțas (roasting) of 8 kando, it will get reduced into ash.3 .
Rub sildjita with medicines of drāvāṇavarga and amlavarga and put it into a crucible. Next heat it on the intense fire of coal, the essence will come out like iron.
Tkutho or Sasyaka6 (Blue vitriol)
Thutho (or Sasyaka) is mentioned in the suvarna-Ranpya-Siddhi-sastra) Rasaratna Samuccaya as mineral used in various chemical processes.
Kşārāmlagojalaidhmātam śuddhyate ca šilājitau / Athava goghștedāpi triphalā dvyārdrakadravaih/ Lohapătre vinikşipya sodhayet tattu yantnatah / Rasārņava 7/21. Kșārāmlagojalairdhmātań śuddhyatyeva šilājatu / śilādhātuṁ ca dugdhena triphalāmārkavadravaiḥ / Lohapätre vinikşipya sodhayedatiyatnataḥ // Kşārāmlagugulopetaiḥ, Svedaniyamtramadhyagaiḥ,
Sveditā ghatikāmānācchiladhaturviśuddhyati || RS. 2/110–112. 2. Sailam vicarnayitvā tu dhānyāmlopavşair Vişaiḥ / Piņņam baddbā
tu vidhivat patayeccapalam yatha | Rasārņava 7/22. 3. Śilayā gandhatālābhyām mātulungarasena ca / Puțito hi silādhaturm.
riyate aşta girinļakaih || RS. 2/113. 4. Piştam dravaṇavargeņa sāmlena girisambhavam |
Kșiptvā mūşodara ruddhřā, gāļhairdhmātam hi kokilaiḥ /
Sattvam muñcecchiladhatustatksanallohasannibham RS. 2/116. 5. SRSS, 5. 16, 8.18, 10-6, 10.27, 11.16, 12.2, 12.27. 6. RS., Māņikyadeva Sūri. 1.5,
Rasaratna Samuccaya 2/119, Vägbhat, 2/123-2 4
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