NEW SOUTH WALES MINERALS. 219 
From a two-inch band exposed in the Minumurra Creek, 
Jamberoo, 
Sp. gr. 2-679. 
: atin! 
Water lost at 105°C... 2 ix 73 
combined . 2°00 
Silica and dibetainibh iisshable? in wet 13°08 
Soluble silica ion ivi 52 
Tron sesquioxide ... ves a oo 
Pe a za i a is 3°52 
Alumi : ee ae ak aa 46 
time” ast amet “ . ooad 
Strontia ... ai Aus oe ... traces 
Carbonic acid a Ses ie i ede 
Loss a ea: ts ‘70 
100°00 
LIMONITE. 
ety of hematite known as clay band iron ore, from 
tac taken from the uppermost band.’ 
This specimen was taken from the outcrop of the seam, and has 
: probably been subjected to bush fires, since the proportion of 
water i is far less wt . — and moreover the mineral con- 
Sa trace of c iron, a and yields a dark chocolate powder 
instead of the usual pelle ocldeant one. 
Clay Band No. 1.—Wallerawang. 
Analysis. 
Water mes ab i003. ae - 1°31 
mbined is i es 4°17 
Inscluble silica .. fo oe see 3°63 
Soluble __,, See “51 
Alumina ... we es 2°13 
Manganese protoxide ... "60 
Tron .. 52 =60°13 v4 
» sesquioxide metallic iron 
cc .. ih sy 
Magnesia 29 
Sulphur ... 04 
Phosphoric acid traces 
99°87 
———— 
* For analyses of other specimens see Iron and Coal Deposits at Wallera- 
wang, by A. Liversidge. Jour. Roy. Soc. N.S.W., 1874. 
