284 
P. FRA.NCO 
Quadro N. 9. 
Cristallo N. Il (I Tipo), fig. 40. 
Angoli delle normali 
alle facce 
Differenza 
dagli angoli 
calcolati 
Angoli delle normali 
alle facce 
Differenza 
dagli angoli 
calcolati 
0 / // 
0 / // 
(100),! (100),! 00 45 80 
(010), (010), 00 14 30 
(100), (210) 26 24 00 
o / 
— 0 10 
(010), (120) 26 14 30 
0 / 
- 0 20 
(210) (110),! 17 42 30 
— 0 46 
(120) (HO)! 18 06 30 
— 0 20 
(110), (110),! 00 47 30 
(HO) (210) 18 29 00 
— t— 0 03 
(110), (120)! 17 53 30 
— 0 33 
(210) (100), 26 11 00 
— 0 15 
(120) (010),! 26 27 30 
— 0 07 
(010), (010) 2 ! 00 28 30 
(010), (110),! 44 25 30 
— 0 35 
(110), (HO),! 00 35 00 
Zona [001, 110] 
(HO), (210) 18 19 00 
— 0 07 
(001), (001), 00 11 00 
(210) (100),! 25 57 00 
— 0 27 
. (001), (001), 00 10 00 
(100), (100),! 00 55 00 
(001), (113)? 14 16 30 
0 04 
1 
(100), (210),! 25 58 00 
- 0 28 
(113) (111) 22 55 00 
- 0 05 
(210), (210),! 00 07 30 
(111) (110) 52 47 00 
— 0 01 
(210), (HO),! 18 08 30 
- 0 18 
(110) (111) 52 45 30 
— 0 03 
(HO), (HO),! 00 44 30 
(111) (001) 37 07 30 
— 0 05 
(HO), (120), 17 44 00 
— 0 42 
(001) (IH) 37 07 30 
— 0 05 
(120), (120), 00 10 30 
(III) (HO) 53 01 00 
0 13 
(120), (I20) s 00 11 00 
(HO) (IH)! 52 47 00 
— 0 01 
(120), (010), 26 45 00 
+ 0 11 
(IH) (113)? 23 25 30 
-t- 0 25 
(010), (010), 00 13 30 
(113) (001), 13 28 00 
-+- 0 44 
