ri INORGANIC CONSTITUENTS OF THE 
New Lampton Ooniiery, near Newcastle, 
Specific gravity of coal, 1-291 ; percentage of ash, 6°72 ; 
red. 
Analysis— 
colo: ur of ash, 
Alumina ... mee ex ere 
Ferric oxide... “vs wee Re Solubledmalidd 
: : oluble in 
Lime ee ou aa eee 38-98 
Magnesia... a oe eee 
Phosphoric oxide ... a ae 
Alumina .... oie ci 
Ferric oxide... ie “kk eae ae 
es . 69 Insoluble in acid 
e “ve oes coe 61:10 
Magnesia 37 
Silica kr ee ao S232 
FernpaLte Couiiery, Newcastle. 
Specific gravity of coal, 1:296 ; percentage of ash, 3° 84; 
h, uff. 
Analysis— 
eulour of as. 
Alumina... et i.) aoe 
Ferric oxide... ae Sea iil 
Lime ad tas ... 2°41} goluble in acid 
Maa = ee 38°96 
Sulphuric oxide... is ‘74 
Phosphoric ,, ue eee 
Alumina... oe a 
Ferric oxide... fe: ac acid 
Tnsol ble in. 
Lime va — i 24+ 61 15 
Magnesia... i <a 23 
Silica <a cae cc OU Ca 
100-11 
