10 
BULLETIN NO. 32. 
With very few exceptions the inyoite crystals conform to one or the 
other of two well-defined types. 
Figure 2 . Common habit of inyoite from Hillsborough, N.B. 
Type I. Crystals of this type (see Figures 2 and 3) are always doubly 
terminated, and exhibit a broad development of the unit prism m (110) 
with corresponding limitation of the basal pinacoid; the clinopinacoid 
b (010), the orthopinacoid a(100), and the clinoprism z(120) are reduced to 
narrow forms. The clinodomes and the negative orthodomes are of 
medium proportions. 
