JOURNAL 



OP 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



APRIL 1798. 



ARTICLE I. 



A Memoir and new Experiments on the Artificial Cinnabar of Mr. Kirchoff. By the Count 

 JpQLLOS D£ MOVSSIN POUSCHIN, Chamberlain to his Majejly the Emperor of all the 

 RuJJias, Vice-Preftdent of the College of Mines ^ Honorary Member of the Imperial Academy 

 of Sciences, at Peterjhurg*, isfc. is'c. 



J. H E annual confumption of cinnabar by z variety of manufa£lurcrs and artifts, and 

 the certain falc of this beautiful colour, render it undoubtedly an interefting object of 

 political economy for all Hates which poflefs the ores of quickfilver, as well as a branch 

 of fpeculation for the merchant which has hitherto fupported the manufa£tories of ver 

 milion, and has even fixed the attention of the induftrious Hollanders, who not being able 

 to derive advantage from the fabrication of this produ£t at firft hand, have eftabliflied, as 

 it is faid, mills for cinnabar, in which this colour gains the brilliancy and fmoothnefs ne- 

 ceflary for its employ in the arts. This procefs, which they myftcrioufly conceal, has 

 hitherto been attended with profits the more confiderable, as it is pretended that great 

 part of the cinnabar which is adulterated by different procefles is vended through Europe 

 from thefe manufaftories at firft handf. The methods by which cinnabar has hitherto 



been 



' Tranflated from the French manufcriptj communicated by Charles Hatchett, Efq. who received it from 

 the author, with fome fpecimens of the cinnabar, which he finds to be of the beft quality. The memoir was 

 BddrelTcdto the Socicte des Amis Scrutateiirs dc la Nature. 



t Mr Tuckert, who feveral times affiftcd, or was prelcnt during the preparation of artificial cinnabar at 

 the manufaftory of Mr. Brand, wirliout the Utrccht^r-.te at AmfterJam, has given an account of the procefles 



Vol,. II.— ArBiL 1798. B in 



