506 



MEASUREMENTS OF CRYSTALS. 



TOURMALINE. (Continued.) 



Figs. 371, 372 and 373. (The measure- 

 ments will be found on page 504.) 



CLINTONITE. Figs. 374 to 376 inclusive. Page 

 36L 



Fig. 374. The primary, an oblique rhom- 

 bic prism. 

 M on M' about 94°0' 



ANDALUSITE. Figs. 377 to 380 inclusive. Page 

 36-2. 



Fig. 377. The primary, a right rhombic 

 prism. 

 MonM' 91° 20' 



KYANITE. Fig. 381. Page 365. 



Fig. 381. The primary, a doubly oblique 

 prism. 



M onT 106°15' 



P onM 93 ]5 



P onT 100 50 



ACHMITE. Figs. 382 and 383. Page 366. 



Fig. 382. The primary, an oblique rhom- 

 bic prism. 

 MonM' 93^4' 



Fig. 383. A secondary form of the above. 



SPODUMENE. Fig. 384. Page 368. 



Fig. 384. The primaiy, an obhque rhom- 

 bic prism. 

 MonM' 930O' 



