246 NOTES ON A CAPE BRETON MINERAL AND 



The absence of iron and the comparatively large amount of 

 Manganese in the composition of this mineral would class it as 

 more nearly allied to Hiibnerite than to Wolframite. 



In the same paper reference is made to the beneficial effects 

 from washing certain Cape Breton coals, whereby the quantity 

 of Sulphur ordinarily contained in coal as supplied from the 

 slack heaps is greatly reduced, and the resulting Coke is made 

 suitable for Iron smelting. The experience at the Ferrona fur- 

 nace is spoken of, but as the reference to the operations at that 

 furnace are somewhat incomplete, the following data supplied 

 by the Manager, Mr. J. D. Fraser, will doubtless on comparison 

 prove of interest. A test made in September and October, 1895, 

 with fifty-ton samples from each of the following Mines, gave 



as follows : 



RAW COAL. WASHED COAL. 



D. HERTING, Chemist. 



A test of 10,000 tons of small coal in December, 1897, and 

 January, 1898, received from the Dominion Coal Company, 



gave the following average results : 



RAW COAL. WASHED COAL. 



Moisture , 2.10% 1.97% 



Volatile Combustible Matter. 31.00 .. 33.21 



Fixed Carbon 56.83 ., 60.00 



Ash 10.07 ii 4.82 .. 



Sulphur 2 38 .. 1.79 .. 



Coke made from this washed coal analysed : 



Ash 9.16% 



Volatile Combustible Matter 1.86 



Fixed Carbon 88.98 



Sulphur 1.62,, 



I. MACFARLAN, Chemist 



