Census of Victorian Minerals. 257 



var. ManguTiocakite (?) — Cai'bonate Gold and Silver Mine, 

 Buchan. Pink in colour, blackens before the blow-pipe, 

 and gives reaction for manganese. Analysis (CI.) : 



Lime 49-77 



Manganese oxide - - . . . 4-84 



Ferrous oxide - - - . - - 1-00 



Magnesia ------- -25 



Carbonic dioxide - - - - - 43"11 



Insoluble residue (Barium sulphate) - - '82 



Analysis of dark blue, massive limestone from Buchan (CI.) : 



Lime - - 53-34 



Magnesia - - - - - - - -48 



Water -32 



Iron, alumina, and phosphorus pentoxide - -31 



Insoluble residue - - - - - '98 



Carbonic dioxide and hydrocarbons - - 43-67 



Organic matter (fixed) . . . . -90 



The sample gives a disagreeable odour when struck or 

 rubbed and only traces of sulphuretted hydrogen were 

 evolved. 

 Cassiterite — Tin dioxide. 



Tarago River, South Gippsland; Boggy Creek (CI.). 

 Analysis of picked crystals from Mount Taylor Creek (CL): 

 Tin dioxide - - - 94-05 

 Silica - - - - 5-20 



Ferric oxide - - - '75 



No tungstic acid present, 

 Cerargyrite.§ — Silver chloride. 



Surface of United Brothers' Mine, Glen Wills; Monte 

 Christo Mine, Bullumwaal (CI.). 

 Cerussite. — Lead carbonate. 



Highland Chief Mine, Brookville (CL). With galena and 

 anglesite, Upper Silurian limestone, Lilydale (W.). 

 Cervantite. — Antimony oxide. 



Incrusting stibnite in quartz, Burgoyne; massive crust on 

 coarsely crystallized stibnite, Alexandra District ; with 

 stibnite, 14 miles from Euroa (W.). Cervantite 



6a 



