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Magic Stones and Electric Gems: Gesner

A kind of galactite, evidently a finely deposited form of carbonate of lime and perhaps absorbent, is mentioned by Conrad Gesner. This was found on the Pilatus Mountain, Lake Lucerne, and is described by Gesner as being a "fungous and friable" substance, white and exceedingly light in weight. The natives called it Mondmilch (moon-milk) and it was sold in the pharmacies of Lucerne. The powder was used by physicians in the treatment of ulcers, and, like all the other galactites, it was supposed to increase the flow of milk and to develop the breasts. Besides this it was credited with somniferous virtues. An old Mohammedan tradition, cited by Ibn Kadho Shobah in his Tarik al-Jafthi, relates that Noah, after the deluge, on setting out with the members of his family to settle and populate the regions to the eastward and northward of Mt. Ararat, confided to their care a miraculous stone known to the Turks as jiude-tash, to the Persians as senkideh and to the Arabs as hajer al-mathar, or the "rain-stone." On it was impressed the word Aadhem or Aazem, the great name of God, by virtue of which whosoever possessed this stone could cause rain to fall whenever he pleased. In the long lapse of time this particular "precious" stone was lost, but some of the Turks were said to have certain stones endowed with a like power, and the more superstitious among these Turks solemnly asseverated that their "rain-stones" could beget progeny by a mysterious kind of generation.