»CtERtiFSC NKWS. 



«3if the pnuciples of tliese two stones is inuch less cmvakltir- 

 ahie, than that which tfxists between th^^se quantities them- 

 selves, wh^ii they are compared. ITius the result of thi? 

 comparative analysis apfiears to bvina^ actinote and amphi- 

 bole so neur together, that it seems uecessary to include 

 tiiem in one species, as modern mit^erulogj' has ahead/ 

 indicated. 



The folloyjring are the resiults of Mr. Laugier^s aiialysit 

 of amphiljole,.coiiipared witk those of actinoie. 



iAinphlbole. 



Silex 4^2 



Oxide of iron •. 22*69 . 



Maj^nesia ............ 1 0'f)0 • 



Lime • 



Alumine 



Oxide of manganese 



Chrome • •• 



Potash 



Water and loss •••. 



9*80 



7-09 

 i-lo 



5-75 



Aetiimte. 



50 



II 



l9'-25 

 9'75 

 0*75 

 0-50 

 3 



0-50 

 5*25 



Component! 

 pads of tt«e 

 t\to. 



100 



100 



SCIENTIFIC NEWS. 



Royal Society of Edinf/urgh, 



O: 



N Monday, the 5th of November, the Royal $ociety 



of Edinburgh met for the first time in their new apartmeiits 



1 10 Georj^e street, wiicn Dr. Thomas Thomson read two pQ- 



purs, giving an accowtit of the analyses of two new minerals q^^|"^^ "^ " 



fpom Greenlnnd. To one of the>e he ha« given the name of 



fcdlanUCimid to the other tliat of sodalite, v In the fit^t he dte- 

 /• • J • , onecontainujg 



<,'overed a considerable portion or cerium; and in oneanaly- t\,nevf metaki* 



«i<) hti,detccted a quantity of a metnl lie oxide perfectly new in ^-'^''^*-*» 



* Tltcse numbers are here as in the origmal j Tmt the SMm toital 

 w6oM aaiuuiitouly tu gOQi, s© tbattJi^nBts art oaaii|ai«IBi ff d. Oa icnit 



wkere. C. "^ '" ' ^',.," ■. -., 



-•- '1^ *< . . } J 



