ANALYSIS OF MINERALS. 



Klebschiefer, or polishing slate, from Menilmontant. 



Silex 62-50 



Lime 8 



Oxide of iron 4 



Charcoal 0*75 



Alumine 0*50 



Lime *•• 0*25 



Water and gasses evolved . . 22 



311 



Polishing 

 slate, i 



Olive-green garnet9 from Siberia. °l> ve grew* 



Silex 44 



Lime 33*5 



Alumine 8*5 



Oxide of iron 12 



■ ■ manganese, a trace 

 Loss 2 



100 



Green chalcedony from Olympus, near Prusa, in Asia minor. Green chal- 

 cedony. 



Silex 96*75 



Oxide of iron 0*50 



Alumine 0-25 



Water 2*50 



100 



True Lemnian earth. 



Silex 66 



Alumine 14*50 



Oxide of iron 6 



Lime , 0*25 



Magnesia 0*25 



Soda 3-50 



Water ;... 8*50 



Lemnian 

 earth. 



99 



Fuller'. 



