524 



MEASUREMENTS OF CRYSTALS. 



SPHENR (Continned.) 



Figs. 521, et seq. 



M or M' on a 139030' 



P ona 159 44 



P one 140 52 



P on e, 158 18 



P onc4 146 30 



c ond, 146 44 



c one, 145 18 



c on 64 154 52 



d, on di 113 24 



diondt 136 



e, on e, 136 50 



64 on 64 113 40 



WARWICKITE. Figs. 529 and 530. Page 436. 

 Fig. 529. The primary, an oblique rhom- 

 bic prism. 

 MonM' 93° to 94° 



WARWICKITE. 



Fig. 530. A modification of the pre- 

 ceding. 



MOLYBDENITE. Fig. 531. Page 438. 



Fig. 531. The primary, a regular six- 

 sided prism. 

 M on M 120°0' 



ORPIMENT. Fig. 532. Pago 439. 



Fig. 532. The primary, a right rhombic 

 prism. 

 M on M' 100° 0' 



ALLANITE. Fig. 533. Page 440. 



Fig. 533. A secondary form. 



M on P about 115° 



M on r 128 



P onr 116 



