214 



C. D. SMITH AND L. A. COTTON. 



Crystal No. 6. — Three sides of this crystal were avail- 

 able for measurement. The dominant forms are c, f and I. 

 The second order pyramids are represented by e which is 

 not however well developed. The forms cl and p are also 

 worthy of mention as they represent faces with simple 

 indices. 



TABLE YI. 



Face. 



Miller 

 Indices. 



Measured (h. 



E<£. 



Mea> 

 P 



ured 



B P. 



Calcul- 

 ated 



Calcul- 

 ated p. 



8cf>. 



o / 



Sp. 



c 



00 L 



o / / 



o 



b 



' 









O 1 







c' 



00 L 



- 



10 





21 



3 



- 







- 



21 



*e 



11 



2 36 



— 



58 



42 



- 



45° 



56 49 



2 36 



1 53 



*Y 



1 1 18 



+47 57 



2 



6 



47 



^ 





6 51 



2 57 



4 



* Y 



,, 



+42 43 



2 



7 



7 



i 



~2 





j? 



2 17 



16 



# y 



1 19 



+ 43 37 



^ 



11 



46 



1 





13 30 



1 23 



1 44 



*,. 



} , 



+47 9 



1 



12 



12 



^ 





)} 



2 9 



1 18 



# 



,, 



+46 50 



- 



13 



5 



"2 





,, 



1 50 



25 



,, 



,, 



-44 30 



2 



13 



30 



33 





J} 



30 







*i 



1 18 



+46 36 



4 



14 



24 



5 





15 7 



1 36 



43 



# . 



,, 



+46 37 



5 



14 



51 



2 





„ 



1 37 



16 



* 



,, 



+40 15 



2 



15 



30 



2 





)( 



4 45 



23 





„ 



-44 27 



2 



15 



40 



7 





M 



33 



33 



tt 



,, 



-45 57 



3 



16 



15 



- 





M 



57 



1 8 



*. 



,, 



+46 18 



i 



16 



22 



i 





>9 



I 18 



1 15 



*k 



1 17 



-43 45 



2 



18 



27 



3 





17 10 



1 15 



1 17 



*g 



1 16 



-43 51 



1 



20 



6 



4 





19 49 



1 9 



17 



G 



2 2 11 



+45 2 



1 



21 



5 



7 





21 28 



2 



23 



F 



3 3 16 



-45 10 



1 



22 



5 



2 





22 5 



10 







tt 



„ 



-44 50 



1 



22 



29 



5 







10 



24 



\ t 



,, 



+45 5 



* 



22 



37 



3 







5 



32 



f 



1 15 



+45 



1 



23 



13 



3 





2323 







10 



f 



,, 



-45 52 



2 



23 



35 



1 







52 



12 



* f 



1 15 



-45 53 



- 



24 



30 



- 







53 



1 7 



*d 



1 14 



+46 6 



20 



27 



44 



10 





2823 



1 6 



39 



- t 



,, 



-45 2 



13 



27 



56 



4 







2 



27 



* ,, 



" 



+43 47 



19 



29 



21 



7 







1 13 



58 



* 



,, 



-40 10 



1 



30 



44 



2 







4 50 



2 21 



P 



1 11 



+44 49 



i 



•2 



64 



40 



- 





6511 



11 



31 



# 



' „ 



+45 33 



2 



6Q 



46 



" 





,, 



53 



1 35 



