366 Analyses of 



\ 



upon the same subject, it is not likely that this communication will 

 remove that impression. Let him however be assured that I have 

 yet left, too much of timidity of my own powers, too much of caution 

 Jest I should commit myself in error, and too much of respect, I will 

 not say for Newton, but for all other mathematicians, however hum- 

 ble, to assail their conclusions hastily, and without reflection. And 

 as 1 have taken care to advance no crude and ill digested views my- 

 self, so I shall feel myself called upon to reply to none which may 

 be advanced by others. 



Art. XII • — Analyses of Chabasie. 



To Chas. T. Jacksoiv, M. D., member of the Geolog. Society of France — the 



Boston Society of Natural History, &c. 



Dear Sir — In compliance with your wishes, I hand you herewith 

 a translation of an article published in Poggendorff's Annals, relative 

 to our Nova Scotia Chabasie, which no doubt will prove interesting, 

 and will, I hope, induce you to examine more minutely this variety 

 of the mineral species. With feelings of friendly regard, I remain, 

 dear Sir. ever truly yours, • Chas. Cramer. 



New York, May 2, 1836. 



Analyses of some Chabasies, by E. Hoffman, Dr. Ph. (PoggendorfTs 



Annals, 1832, No. 7.) 



It may appear unnecessary to publish analyses of Chabasies, as 

 good ones have already been made known by Arfvedson. The fol- 

 lowing circumstance however, induced me to do so. 



Mr. G. Rose,* on his return from Russia, brought home a Chaba- 

 sie from Parsboro', Nova Scotia, which he obtained in St. Peters- 

 burg.! 



It is of a brick color and crystallized in large and distinct single 

 and twin crystals. Having made two successive analyses of this 

 mineral, and not obtaining Arfvedson's formula 



# • • •• • 



C 3 



fta J. Si a +3A1 Sis-frSH 



* Humboldt's Companion. 



t From myself— I found it in 1827, as subsequently ascertained, about three 

 weeks after your first visit to the Basin of Mines.— Chas. Cramer. 



