72 



HIKI. 



Prisms. 



Brachypinacoid. 



M =(110) oo P 

 m = (230) oo P Ï 

 7i = (250) x P J 

 /l = (470)oo Pf 

 c = (001) P 

 b = (010) oo P oo 



I = (120) oo P 2 

 # = (130)ooP3 

 = (560)ooP| 

 r = (350)ocPf 



