182 the minerals of new south wales. 



Cervantite. 



Chem. Comp.: Antimony oxide = Sb0 4 . Sb=79*2; O = 20'8 = 

 100, 



Usually occurs massive, as an incrustation upon antimonite 

 sometimes as minute circular crystals of a dull yellow colour. 



Localities. — Almost the same as those for antimonite, as at 

 Gwyra near Armidale, Pyramul, and other places. 



Jamesonite. 



Chem. Comp. = 2 (PbFe) S + Sb 2 S 3 . 



Sulphur, 21-1 ; antimony, 32-2; lead, 437; iron 30 = 100. 



This mineraly usually occurs in fibrous masses of a bluish lead- 

 grey colour. 



It occurs with cervantite in a soft quartz near to Campbell Creek 

 and Nuggety Gully, Bathurst district. 



Bismuth. 



Native Bismuth. 



Found in the New England District between Oban and Tenter- 

 field. This metal is now becoming very valuable. 



BlSMUTHITE. 



Chem. Comp. : A hydrated carbonate of bismuth. Bismuth 

 oxide, 90*0; carbonic acid, 6-5; water, 3*5 = 100. 



Found in the form of more or less rounded grains and pebbles 

 with stream tin in the New England district. 



