METEORITES, N.S.W. 349 



platinum in a native iron sent for analysis. 1 Mr. Mingaye 

 informs me that in testing for gold and silver the residue 

 insoluble in hydrochloric acid, was scorified with lead, free 

 from gold and silver, and cupelled, when one of the platinum 

 metals was found to be present ; the metal was alloyed 

 with about 20 times its weight of silver and parted with 

 dilute nitric acid, after removal of the silver, the light 

 yellow solution gave the usual reactions for platinum; with 

 stannous chloride and potassium iodide as a colour test 

 he estimated the amount of platinum present as being under 

 2 dwt. per ton. 



Partial Analysis of the Boogaldi Meteorite. 



Insoluble in HOI '0400 



Iron ... .. 91*1350 



Nickel ... 8*0517 



Cobalt *4833 



Copper *2801 



Arsenic ... ... ... ... ... traces 



Phosphorus ... ... ... ... undetermined 



Carbon 



Sulphur 



Chromium 



Gold 



Platinum 



99*9901 



The nickel and cobalt were determined electrolytically 

 after the removal of the iron by litharge ; to make sure 

 that the arsenic had not been derived from the hydrogen 

 sulphide used in precipitating the metals of the copper 

 group, the gas was first purified, tested, and proved to be 

 free from arsenic. The amounts of several elements present 

 have yet to be determined and this meteorite has still to 

 be examined for diamonds, occluded gases and spectro- 

 scopically. 



1 Annual Eeport of the Department of Mines, 1898, p. 21. 



