NEW SOUTH WALES COALS. 187 
oe of Ash. 
Silica... * ve 48°70 50°16 
Alumina hee .. 38°84 40°50 
Tron sesquioxide a ne ea 2:00 
Manganese... fie ... traces traces 
om ive es ae = oo 
seen cis iv Sis ‘70 32 
Potash . as is “oe 2°02 
8 ' eo “43 12 
Phos osphoric c acid. ve trace trace 
= acid Se z roe "85 "56 
Loss : ers “44 “22 
100°00 100°00 
The second eee was made upon a specimen from a different 
part of the se. 
RussEiu’s MINE. 
Made up of alternate bright and dull lamine, which merge one 
into the other irregularly, giving the coal a streaky appearance 
quite distinct from the laminated a rance of a coal made up ot 
Specific gravity, 1374 
Proximate oar + 
Volatile hydro-carbons... 
Fixed carbon . a0 25 270 | Coke, 52°65 per cent. 
Sulphur a j ue 
100-00 
Coke.—Good, firm, bright silvery lustre, with cauliflower-like 
€xXcrescenses, 
Ash.—Loose, colour red, but paler than the Waratah coal ash. 
Dried at 100° 
Ultimate Analysis. 
Carbon 77°37 
Hydrogen ion 
Saifdiar 1-43 
Sits 13 
Ash 
100°00 
Calculated calorific intensity, 8,034. 
