500 



MEASUREMENTS OF CRYSTALS. 



FELDSPAR. (Continned.) 



(The measurements will be found on 

 pages 496 and 498. 



LABRADORITE. Fig. 324. Page 341. 



Fig. 324. The primary, a doubly oblique 

 prism. 



MonP ...- 94°30' 



MonT 115 



P onT 119 



ALBITE. Pig. 325. Page 342. 



Fig. 325. The primary, a doubly oblique 

 prism. 



MonP 93°3(y 



MonT 117 53 



P onT 115 5 



MESOTYPE. Figs. 326 to 329 inclusive. Page 344. 

 Fig. 326. The primary, a right rhombic 

 prism. 

 MonM' .... QloKKto 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. 



Mond 133°30' 



HEULANDITE. Figs. 334 to 336 inclusive. Page 

 346. 



Fig. 334. The primary, a right oblique 

 angled prism. 



MonT 130° or 



P onT 90 



Figs. 335 and 336. 



Mona 146°30' 



Men/ 114 20 



P ona Ill 56 



Tona 148 



EPISTILBITE. Figs. 337 and 338. Page 347. 

 Fig. 337. The primary, a right rhombic 

 prism. 



MonM' 135°10' 



Fig. 338. 



MorM'on« 122° 9' 



s ont 141 47 



t ont 109 46 



t on« 154 51 



APOPHYLLITE. Figs. 339 to 343 inclusive. Page 

 348. 



Fig. 339. The primary, a right square 

 prism. 



