496 



MEASUREMENTS OF CRYSTALS. 



SCAPOLITE. (Continued.) 



Fig. 288. 



Monx 153°26' 



Monz 140 11 



s ona; 161 34 



z onz 150 18 



(The remaining measurements will be 

 found on page '494.) 



STAUROLITE. Figs. 300 to 304 inclusive. Page 

 333. 



Fig. 300. The primary, a right rhombic 

 prism. 



M onM' 129-30' 



MorM'onP 90 



STAUROLITE. 



Figs. 301, 302, 303. 



M'ono 115°18' 



Mor M'onr 137 58 



Fig. 304. Two crystals forming a cross. 



FELDSPAR. Figs. 305 to 323 inclusive. Page 334. 



Fig. 305. The primary, a doubly oblique 

 prism. 



MonT 120^35' 



P onM 90 



P onT 67 15 



Fig. 306. 



MonZ 120° 0' 



