KXPLANATIOM OK PLATE XLI. 



Fig. 1. Sulpliiiv, Hot T^akes District, N. Zealand. 



Fig. 2. Sulphur, Tauna, New Hebiides. 



Forms :— /• (001), // (010), lu (110), e (101), n (Oil), r (018), 

 t (115), > (113), // (112), p (111), y (331), . (135), 

 ,.(133), ^i (131). 



Figs. 3, 4. Sphalerite, Spring Creek, Bungonia, N.S.Wales; a pseudo- 

 hexagonal twin on (HI)- 



Forms:— J (101), <> (HI). 



Fig. 5. Azurite, Cobar Gladstone Mine, Cobar, N. S. Wales. 



Forms:— r (001),,/ (_100), u> (110), / (023), y; (021), ^r (JOl), 

 (^(101), ,,(302), A (2_21), 7' (223), ,. (Ill), /,• (~221), 

 A- (241), e (245), p (134). 



