Metallographia: or, an history of metals. Wherein is declared the signs of ores and minerals both before and after digging, the causes and manner of their generations, their kinds, sorts and differences; with the description of sundry new metals, or semi metals, and many other things pertaining to mineral knowledge. As also, the handling and shewing of their vegetability, and the discussion of the most difficult questions belonging to mystical chymistry, as of the philosophers gold, their mercury, the liquor alkahest, aurum potabile, and such like / Gathered forth of the most approved authors that have written in Greek, Latine, or High-Dutch; with some observations and discoveries of the author himself. By John Webster.

John Webster

Date:: 1671

Credit: Metallographia: or, an history of metals. Wherein is declared the signs of ores and minerals both before and after digging, the causes and manner of their generations, their kinds, sorts and differences; with the description of sundry new metals, or semi metals, and many other things pertaining to mineral knowledge. As also, the handling and shewing of their vegetability, and the discussion of the most difficult questions belonging to mystical chymistry, as of the philosophers gold, their mercury, the liquor alkahest, aurum potabile, and such like / Gathered forth of the most approved authors that have written in Greek, Latine, or High-Dutch; with some observations and discoveries of the author himself. By John Webster. Source: Wellcome Collection.

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$m of petals. 4f ftt quod hodit repertantar miner# in locis, ubl Ante Nov. Lum. mills annos null* {iterant, From hence it come to pafs ^^’^ra^' that Minerals may be found in places, where before a thoufand years fince, there have none been. And that Metals do grow even like other Vegeta- obferv. 5 ties, is tnanifeft from divers examples. For the ho¬ nourable Mr. Boyle from the teftimony of Gerhardut chym. the Phyfick Profeffor, telleth us in thefe words; In pj^®- valle JoAcbtmACd ( fays he ) Argentum graminis modo & more e Upidibm miner& velat i radice excrevifie di- giti longitudine, tefiis eft D. Schreterus, qui cjufmodl verts afpefitu ]ucandas & sdmirabties domi fa# aliic < fape monfiravit & denavit. In the vale of Joachim, Dr. Scbreter is a witnefs, that filver in the manner and fafhion of grafs, had grown out of the ftones of the Mine,asfromaroor, in the length of a finger , who hath (hewed thefe Veins very pleafant to behold, and admirable at his own houfe , and given of them to others. And RaUndm telling of filver that is found pure, quodfiatimfuam efiy as is their proper diftin&ion of ** ‘ it from other forts, faith 5 Sed hoc Argentum puram tenuifiimis hraUcU ample fHtar lapidem. Inter dam c- tiampr*Jefert fpeciem capt£orum> inter dam virguh- - interdam globi fert fpeciem, qunfifills convolutl rum. - . V candtdis aut rubric: interdum pra fe fert fpeciem ar- boriSyinfiramentty montium, herbArum, & alidram re¬ rum. And this pure filver doth imbrace the ftone with moft tender leaves, plates, or fpangles. It fomc- dmesalfo beareth the fhape of hairs, fomedmes of little twigs, fomedmes it beareth the fhape of a globe ©r round ball, as though wrapped about with threds white, or red. Sometimes it beareth the ftiape of a , v ■ ■ ‘ ‘Tree,’$

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