62 



Made of Lancaster. 



According to Bucliolz and Vauquelin, Andalusite con- 



sists of 



Bucholz. 



Si. 

 Al. 



36.5 

 60.5 



Vauquelin. 



Si. 



AL 



Ox. Iron 4.0 



32.16 



52.24 



8.1 



101.0 



Potass . 



Ox. Iron 2. 



loss 



6. 



and 



100.50 



specime 



and 



identity as mineral species. By adding up Bucholz's 



hundred, 

 quelin ra 



gam 



an; 



an 



im 



Macle 



and 



forms 



natural 



