129 



751 



Krystaller*). 



Rumfylde 



AxeTiukel 



Krystalaier 



RefraktionsækTiralent 



97.2 



91.1 



65.8 



72.6 



72.3 



AB = 78" 16' 

 (AB) - 159° 49- 



ABr = 33° 21' 



ABf = 28° 6' 



(AB]c = 56° 48' 



(AB)f -= 47° 59' 



AB = 67° 4' 

 (AB) = 111° 19' 



AB = 76° 40' 

 [AB\ = 145° 52' 



AB = 51° 40' 

 {AB] = 97° 30' 



79.5 (>,A'B))D = 139° 30' 



80.2 : ((A'B))d = 131° 2' 



I : 0.9809 : 0.9934 ' 1 : 0.9667 : 0.5779 



1 : o 9802 : 0.9ÖU» 1 : 0.9850 : 0.5802 



I : 0.9968 : 0.9991 I 1 : 0.7464 : 0..5727 



1 : 0.9937 : O.S 



53.09 

 56.02 

 54.09 



57.14 

 60.14 

 58.52 



32.31 

 32.63 

 32.43 



53.33 

 56.29 

 54.4Ô 



32.45 

 32.77 

 32.54 



53.93 

 57.22 

 55.21 



58.34 

 60.76 

 61.44 



32.75 

 33.06 

 32.85 



1 : 0.7296 : 0.5724 



1 : 0.7297 : 0.5695 



1 : o 9959 : o 8849 

 1 : 0.9753 : 0.8764 



38.65 38.86 ' 39.34 

 39.36 39.57 , 40.10 

 39.01 39.22 39.75 



I! 51.56 52.45 55.70 



Axer, allsaa ua , fb ■ fte . Forlioiilet mellem Elast Ici tetsaxein e er bereijuet for D med Undtagelse af del. for 



VIdensli. Selsh. Skr., ä Bzkke, nmutvidensk. ug malbem. Aid. 9 II IX. 95 



