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Snake Stones and Bezoars: Persians

This writer asserts that he considered those bezoars to be genuine which were of a partly resinous and partly mineral composition, so that when pulverized they could be dissolved in nitric acid, the solution having a reddish hue. The Persians not only attributed to bezoars the same virtues as did the Europeans, but also recommended the administration of the bezoar elixir to persons in health, that they might avoid contracting disease and prolong their lives, more especially if the dose were taken at the beginning of the year. In general, however, he found that where Europeans used the bezoar as a remedy, the Persians gave a dose of pearl tincture instead; but as rarities, or perhaps as talismans, bezoars were even more highly prized in Persia than in Europe, for there was hardly a Persian of note who did not preserve one of these concretions among his treasures. The price depended upon perfection of form and color, as well as upon size, one weighing a mishkel (about 75 grains Troy) was commonly valued at one toman, the equivalent of 15 ounces of silver (about $20), according to Kaempfer's computation, but the price rose rapidly with the size of the bezoar in a proportion similar to that observable in the case of pearls. As Persian bezoars were so costly in Persia, and the home demand for them so great, those sold by this name in Europe must have had another origin.

Of several experiments made with criminals to whom poison was administered and then a dose of bezoar to test its virtues as an antidote, one of the most interesting has to do with a criminal incarcerated in the prison at Prague, in the reign of Emperor Rudolph II. To this man a drachm of the deadly poison aconitum napellus was administered. Five hours were allowed to elapse before the bezoar was given, so that the poison should have full time to be absorbed by the system. During this time the effects were fully manifested, oppression at the chest, pain in the gastric region, dimness of vision and dizziness. When the five hours had expired five grains of bezoar were given to the man in a little wine. After taking the dose he felt some relief and vomited, but the bad symptoms soon returned and even became aggravated, as though a supreme conflict for the mastery between poison and antidote were in progress. There was delirium, extreme tension of the abdomen, repeated vomiting, and an irregular, feverish pulse; finally an acute inflammation of the eyes supervened, causing such intense pain that the man declared he would rather die than endure it longer. However, at the end of eight hours' time from the administration of the poison--three hours after the dose of bezoar had been given--all the morbid conditions passed off, the patient was able to eat food with relish and he slept quietly. In the morning he was perfectly well, and never realized any subsequent bad effects. The emperor released him from prison and even bestowed a handsome reward upon him. A strange experiment to determine the character and quality of bezoars is related by Kaempfer on the authority of Jager. The latter asserted that while in Golconda he had the opportunity of examining recently captured gazelles for the presence of bezoars, and that by compressing their abdomens he could distinctly feel two such concretions in the case of one of the animals and five or six in the case of the other. They were kept some days for further observation, but as they absolutely refused all food, it was decided to kill them rather than have them starve to death. This was done, but when the bodies were opened no trace of any bezoar could be found, and Jager conjectures that the substance of these concretions had been absorbed into the system of the animal for lack of any other nourishment.