500 
MEASUREMENTS OF CRYSTALS. 
FELDSPAR. (Continued.) 
(The measurements will be found on 
pages 496 and 498. 
LABRADORITE. Fig. 324. Page 341. 
Fig. 324. The primary, a doubly oblique 
prism. 
M on P . 94°30' 
M on T . 115 0 
P on T . 119 0 
ALBITE. Fig. 325. Page 342. 
Fig. 325. The primary, a doubly oblique 
prism. 
M on P . 93°30' 
M on T . 117 53 
P on T . 115 5 
MESOTYPE. Figs. 326 to 329 inclusive. Page 344. 
Fig. 326. The primary, a right rhombic 
prism. 
M on M' .... 91°10' to 91°40' 
Fig. 327, et seq. 
Mono . 116°32 / 
o ono. 144 16 
STILBITE. Figs. 330 to 333 inclusive. Page 345. 
Fig. 330. The primary, a right rectangu¬ 
lar prism. 
STILBITE. 
Fig. 331. 
M on d . 133°30' 
HEULANDITE. Figs. 334 to 336 inclusive. Page 
346. 
Fig. 334. The primary, a right oblique 
angled prism. 
M on T . 130° O' 
P on T . 90 0 
Figs. 335 and 336. 
M on a . 146°30 / 
M on f . 114 20 
P on a... Ill 56 
T on a . 148 0 
EPISTILBITE. Figs. 337 and 338. Page 347. 
Fig. 337. The primary, a right rhombic 
prism. 
M on M'. 135° 10' 
Fig. 338. 
M or M' on t . 122° 9' 
s out . 141 47 
t on t . 109 46 
t on u . 154 51 
APOPHYLLITE. Figs. 339 to 342 inclusive. Page 
348. 
Fig. 339. The primary, a right square 
prism. 
