478 Da T. THOMSON'S Analysis of some Minerals. 



Spodumenefrom Spodumenefrom 



Uto. Killiney. 



Silica 63.288 63.312 



Alumina, 28.776 28.508 



Lithia, 5.626 5.604 



Lime, 0.728 



Protoxide of iron, . . 0.7947 0828 



Protoxide of manganese, 0.204 ) 



Water, 0.775 0.366 



99.463 99.840 



