PALACHE. — CRYSTALLOGRAPHY OF LEADHILLITE. 445 



0£ (056). Same remarks as (034). 



<p p 



Crystal 8 1° 11' 43° 00' (in twin position). 



8 09 43 42 



14 30 43 49 



15 29 42 50 

 Calculated 32 42 50 



A, 03 (031). Observed but once on a crystal with a rich clinodome 

 zone. 



A, — £0 (102). Seen but once as a narrow line face truncating the 

 edge between 214 and 2T4. Is probably to be counted with the certain 

 forms (Figure 2). 



cp p 



Crystal 10 —90° 00' 31° 57' poor. 



Calculated -90 00 32 06 



f (304). Seen but once — a very doubtful form. 



W, — 2| (432). Seen but twice, faces of very doubtful quality 

 (Figure 7). 



<t> P 



Crystal 6 -56° 31' 72° 00' 

 12 --56 35 70 56 



Calculated -56 40 71 46 



H, 2 (221). Observed on two crystals as a narrow line face between 

 111 and 1 10. A likely form, but needing better observations to estab- 

 lish it (Figure 8). 



