STUDII SULL’ IDOCRASIA DEL MONTE SOMMA 
291 
17, fig. 45. 
ati, distinti colle lettere «, /?, y. 
[100, 001] 
Zona [110, 201] 
e normali 
Diffe- 
Angoli delle normali 
Diffe- 
Angoli delle normali 
Diffe- 
*acce 
renza 
alle facce 
renza 
alle facce 
renza 
ilio P 
Cristallo y 
Cristallo a 
0 / !/ 
o / 
o ✓ 
0 / // 
O / 
(110), (201)! 59 23 00 
h-0 33 
(201) (312), 14 12 00 
—0 09 
(312), (3I2) 2 00 08 00 
[Ilo, 001] 
Zona [HO, 201] 
52 49 00 
H-0 01 
(HO), (331) 23 40 00 
—0 02 
(HO), (421) 29 46 00 
— 0 05 
00 21 00 
(331) (111) 29 06 30 
H-0 01 
(421) (3ll) 10 43 00 
—0 01 
(111) (113) 23 01 00 
h-0 01 
(311) (201) 19 19 00 
h-0 04 
(113) (001) 14 02 30 
—010 
(201) (312)! 1418 30 
—0 03 
(312) (111)! 16 5100 
•h-0 02 
(111) (132) 16 38 00 
h-0 09 
[110, 101] 
54 52 00 
-4-0 15 
15 25 00 
—0 25 
00 15 30 
[HO, 101] 
54 34 30 
—0 03 
• 
Pasquale Franco. 
