Pyritologia: or, A history of the pyrites, the principal body of the mineral kingdom .. . s being to be fluxed by the fulphur,which is in the pyrites, but not in the iron. Andlaftly, we fhould confider how it affects the good-nefs of the copper and lead. With the iron-ftoneto procure the principal end of the crude-workingswhich confifts not only in feparation, but in (cori-fication too, the more art is requifite ; in that thislad, on the fcore of its incorporated ftubborn crude-earth, and impurity, wants for itfelf the properaids and helps. Briefly, it holds quite otherwifewith the pyrites iro
Pyritologia: or, A history of the pyrites, the principal body of the mineral kingdom .. . s being to be fluxed by the fulphur,which is in the pyrites, but not in the iron. Andlaftly, we fhould confider how it affects the good-nefs of the copper and lead. With the iron-ftoneto procure the principal end of the crude-workingswhich confifts not only in feparation, but in (cori-fication too, the more art is requifite ; in that thislad, on the fcore of its incorporated ftubborn crude-earth, and impurity, wants for itfelf the properaids and helps. Briefly, it holds quite otherwifewith the pyrites iron, than it does with fmeltediron and iron-ftone. In the pyrites it is not onlyadapted in a certain manner by nature, but be-comes more fo in the courfe of the operation itfelf ;turning to a fpongy, fubtle earth, both receptive, and 352 The Uses and operative •, a thing not to be expecled fromiron-done. And he, who has experienced the dif-ferent habitudes of bodies in their fimple, fepara-ted and mixt dates, will view artificial iron, andthe iron-earth of pyrites in different CHAP. C 253 J CHAP. XVI. Containing, I. The hiftory of the Heflian Py-rites, called Terra martis Hajfiaca. Commu-nicated by M. Rofinus. CI REAT Almerode, a confiderable village inJ Lower Heffe, three miles fromCafTel, and fivehours ride from Munden, lies in a very mountain-ous, and almoft the highefl part of HefTe, and isencompaffed on every fide, partly with very tallforefts, partly with very high mountains, amongwhich laft the WeifTner and Herfs, or more pro-perly Hirfchberg, are the principal. The WeifTner,which is the higheft in all that country, rifes nearthe village of Ludenbach, an hours ride from GreatAlmerode, and contains a large inexhauftible (toreof ftone-coals, which are there dug in two diffe-rent places, and conveyed to Altendorff for boil-ing fait : befides, on its top, which is quite aplain, a mile in compafs, many peculiar herb*grow, not readily to be met with elfewhere, alfogoo
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Keywords: ., bookcentury1700, bookdecade1, booksubjectmineralogy, bookyear1757
