ANALYSES OF MINERALS, 



231 



Common hornblende from Nora. 



Silex 42 



Alumine 12 



Lime 11 



Magnesia. 2'25 



Oxidulated iron 30 



Manganese. , 0*25 



Water 075 



Potash, a trace 



Lamellar ain- 

 phibolfi of 



98 25 

 Basaltic horneblende from the country of Fulda, found in Supercom- 

 volcanic basaltic substances. \°^x&d ampliU 



Silex 47 btile of Haiiy. 



Alumine 2(> 



Lime. 8 



Magnesia 2 



Oxidulated iron. 15 



Water 0-5 



98-5 

 Common black augite from Rhorgebirge, in Franconia. Black auglts 



Silex 52 nir^''""^' 



Lime 14 



Manganese 1275 



Alumine nys 



Oxide of iron 12'75 



■ manganese 0*25 



Water 0-25 



Potash, a trace 



Common green augite. '*"" 'SSZ:^,. 



Silex 55 



Magnesia 1375 



Lime /. 1250 



Alumine 5'50 



Oxide of iron 11 



— manganese, a trace 



Water l 



9S-75 , ' 

 Black 



