en ee ee 
SOME NEW SOUTH WALES AND OTHER MINERALS. 319 
Analysis. 
Lead monoxide ... on an aoe 66°86 
Chromium tri-oxide aes ee Spe 30:99 
Tron sesquioxide ... ay “as a 1-02 
98-87 
Which corresponds with the formula PbCrO,. 
FaHLerz— Wiseman’s Creek, via Brewongle, N.S.W. 
Occurs in quartz veins. Collected in September, 1888. No 
crystals were obtained. 
Analysis. 
Copper iia oe 33004 
ead 630 
Tron 2-844 
Zine ‘ ps a 2 s 3-693 
Antimony ... ae nae ope oe £020 
Sulphur. sul LL Pe 
Nickel Aes a oe aye Fes trace. 
Cobalt e65 os ee eG wae (OPBCS. 
99-998 
The above corresponds approximately to + CuS, + (FeZn) §, 
Sb,S,. 
Some silica was obtained in the analysis, but this was deducted 
and an allowance made for it in the calculation, as it obviously 
belonged to the matrix, 
A special examination was made for gold and silver on a 
larger quantity, when 31 ozs., 17 dwts., 0 grs. of silver, and 
2 ozs., 13 dwts., 8 grs, of gold per ton were found. 
ILMentrz—Cloncurry River, Queensland. 
Black, with traces of crystal planes, breaks with well-marked 
Metallic lustre, 
: Analysis. 
Titanium dioxide, TiO gw: ik .. 49°85 
ilicon : 
Si BiOy ak ee 
Iron monoxide, FeO : 3576 
Tron sesquioxide Fe,O, . 13-22 
