lb(? ic^ qnf^qne po!i(rim(mi me imptilit, qnod conftet. chcmi- 

 aiii ab co inde tempoic , (jiio C( J. WicgU biiis' Topa^ii Sa- 

 ;<onic' naliiiaHi efl ftiutaUis, tot et taniu incitnicnta ce- 

 pilfc tolque novis- lolliJiiim diirolvcndoiiim arlificiis au- 

 flain cdc , iit compluia niineralia, quoium n.ituia a d( cem 

 rnde, tt qnod (xcuiiit, annis in aprico ])ofita c(le \i(ltba- 

 tur, reccnii')iibns Iraclata irethodis, parlcs conftituentcs at> 

 iis - quuii olim ojleiidcre vifa fant , pianc diveifds j)iodere, 

 repeita fint. 



5- 3-' 



Annlyfis chcmica. 

 a.) 130 illa (§. c. (/.) Topazii Sibiiici igne traOnfi 

 grana in pnlvcrcm fiiblilirriimim conlrila 1+ diaclimis lixi- 

 vii polairjui caiiflicj , dimidinm fui pondeiis falis ficci con- 

 tincntis, mifcui; mixla in tii^illo aigcnlco, humore lcnti 

 primim caloiis ope abaflo , pcr horam candefcenliae expo- 

 lui; o*nnibns(jne retri^eratis, man"um falinam non colJiquatam 

 ■aqua Tervida folvi, ct fuperftcs gryfei coloris fcdimeulum ter- 

 reum, hac opcrationc non folutum, aqna clui. 



h.) Rcfidnum hoc terrcnm (n.) cum acidi rnirintofi 

 Tcx diachmis piobc contrilnm f;hitinis farinacci IpifTioris fbi- 

 mam fubiit. Ilaccce malfa , additis cidem in ciicurbifa vi- 

 trca 6 ciicitcr atjnae nncii" , li nitcr cal. f.iHa folvi et in 

 nialfam fluidani non pcllucTdflm quidcm illam, ncqiie tamen 

 fcdiincnti cjuid deponcntem, Jiquefceie vifa cft , cjuac arcr- 

 dente ebullitione plane pollucida fafla mox f^clatinae fefc 

 fi iina inducic corpit ; qno vifc, fcrvidifTimam iilam una de- 

 nuo cnm aqnae libra agitando (iilui. Iloc faflo, lcna iili- 

 cca fub foniiu gianulomm niucila^inofoium cx giyfco coc- 



lule- 



