S16 



MEASUREMENTS OF CRYSTALS. 



IRON PYRITES. (Continued.) 

 Figs. 461 and 462. 



F ond 152°15'52" 



Pone 153 26 5 



d on e 140 46 7 



e on c 126 52 12 



e one' ore" 113 34 41 



MAGNETIC IRON PYRITES. Fig. 463. Page 

 39-2. 



Fig. 363. The primary, a regular six- 

 sided prism. 



WHITE IRON PYRITES. Figs. 464 to 466 in- 

 clusive. Page 393. 



Fig. 464. The primary, a right rhombic 

 prism. 



MonM' 106° 2' 



Fig. 465. 



Pone 160O48' 



Fig. 466. A compound crystal made up 

 of five individuals, 

 a on c 14103^ 



ARSENICAL IRON PYRITES. Pigs. 467 to 470 

 inclusive. Page 394. 



Fig. 467. The primary, a right rhombic 

 prism. 

 M on M' 111°18' 



Figs. 468, et seq. 



MorM'ona 136020^ 



M or M'onZ 115 32 



I onl '. 80 24 



I onz 160 49 



z onz 118 46 



SCORODITE. Fig. 471. Page 396. 



Fig. 471. The primary, a right rhombic 

 prism. 

 MonM' 120°10' 



SPATHOSE IRON. Fig. 472. Page 397. 

 Fig. 472. The primary, a rhombohedron. 

 PonP' 107O0' 



ANKERITE. Fig. 473. Page 398. 



Fig. 473. The primary, a rhombohedron. 

 PonP' 106°12' 



