EXPLANATION OF PLATE LXXVIII. 



Fig. 1. Barite. Commonwealth Mine, Wellington, N. S. Wales. 

 Forms:— f (001), m (110), 1/(320), o (Oil), d (102), u (101),/ (113), z (111), 

 .'/ (122). 



Fig. 2. Monazite. The Grulf, N. S. Wales. Twin on a (100) projected on 



(010). 



Forms -.--(I (100), m (110), w (101), .«■ (lOl), n (021), » (111), z (311). 



Fig. 3. Sfheelile. Hillgrove, N. S. Wales. 

 Forms -.—e (101), p (111), .v (131). 



Fig. 4. Sclieelite. Mount Ramsay, Tasmania. 



Figs. 5, 6. Vesuvianite. Barraba, N. S. Wales. Orthographic and clino- 

 graphic projections. 



Forms:— c rOOl), a (100), m (110), e {101), p (111), t (331), -y (311), i (312). 



Fig. 7. Heulandite. Werris Creek, N. S. Wales. 



Forms -.—b (010), m (110), .c (021), t (201), * (201), « (111). 



