HANDBOOK OF THE METEOllITE COLLECTIONS. 113 



Portions soluble in warm 5 per cent hydrochloric acid : Per cent. 



Silica (SiOz) 28.81 



Ferric oxide (Fe^Os) 1.03 



Ferrous oxide (FeO) 17.09 



Ferrous sulphide (FeS) 14.40 



Lime (CaO) .76 



Magnesia (MgO) 37. 12 



Alumina (AI2O3) and undetermined 1 .79 



100.00 

 Portion insoluble in acid: 



Silica (SiO=) 54.38 



Ferric oxide (Fe203) Absent. 



Ferrous oxide (FeO) 8.73 



Alumina (AI2O3) 6.58 



Chromic oxide (Cr-Os) .50 



Lime (CaO) 3.70 



Magnesia (MgO) 24.16 



Soda (Na^O) 1.97 



Potash (K2O) .26 



100.28 

 Bulk analysis as follows: 



Silica (SiOa) 34.81 



Alumina (AI2O3) 2.27 



Iron (Fe) 28.84 



Nickel (Ni) 1.78 



Cobalt (Co) .26 



Copper (Cu) Mere trace. 



Tin (Sn) Absent. 



Antimony (Sb) Absent. 



Magnesia (MgO) 23.35 



Lime (CaO) 2.24 



Soda (Na=0) 1. 17 



Potash (K2O) _* .24 



Lithia {U2O) Absent. 



Manganous oxide (MnO) Mere trace. 



Chromic oxide (CrjOs) .02 



Vanadium oxide (V2O3) Mere trace. 



Titanic oxide (TiOa) Mere trace. 



Barium oxide (BaO) Absent. 



Strontium oxide (SrO) Absent. 



Zirconium oxide (ZrOj) Absent. 



Chlorine (CI) Absent. 



Phosphorus (P) .11 



Sulphur (S) 2.02 



Carbon (C) .11 



Oxygen (O) by difference 2. 78 



100. 00 

 Reference. — Harold P. White, Notes and analysis of the Mt. 

 Browne meteorite. Rec. Geol. Surv. New South Wales, vol. 7, 1900- 

 1904, p. 312. 



5092°— Bull. 94—16 8 



