OPTICAL PROPERTIES IN CRYSTALS 



185 



Ortho- 

 rhombic 12 

 Constants 



inn 

 

 

 



nil' Wi3 



nh-i "'33 

















 

 





 





 





 









 

 

 

 



'«66 



The IT ten- 

 sor is en- 

 tirely anal- 

 ogous 



Tetragonal 

 4,4,4/w9 

 Constants 



mzi mu W33 











Wei — mm 















ntii 













 

 

 



niu 

 



'«16 





 

 



W66 



The IT ten- 

 sor is en- 

 tirely anal- 

 ogous 



I'etragonal 

 42m, 422 

 ■imm, 

 {\,'m) mm 

 7 Constants 















W44 













 

 







W44 









 

 

 

 



»M66 



The IT ten- 

 sor is en- 

 tirely anal- 

 ogous 



Trigonal 

 i,6 11 Con- 

 stants 



mil mn mn 



mn mil mn 



msi WZ31 ms3 



niii — '»4i 



- >«52 "«62 















-niu 

 



?»44 



- ;H45 



'«2b 



-W25 



?«25 







WZ45 

 OT44 







mu 



mn 



mii — mn 



