io6 



KANSAS UNIVERSITY QUARTERLY. 



ZnO 23.83 



CuO 6.68 



FeO o. 13 



H„0 41.76 



SO3 (27.02) 



Insoluble 0.58 



Total 100. ( 



Which is equal to 



ZnSO^ 45- 16 



CuSO^ 12.48 



FeSO^ 0.27 



H^O 41.76 



Insohibk' 0.58 



Total 100.25 



The only other goslante containing copper known to the writer 

 is one from the Gagnon mine, Butte. Montana. The analysis by 

 Hildebrand* is as follows: 



ZnO=(27.56); CuO^o. 12; (Mn,Fe)0=o.3o: 803^28.09; 

 H„0=43.93; total = ioo.oo. 

 Mineralogical Laboratory, University of Kansas, April 12, 1899. 

 *Quoted by Pearce, Proc. Col. Soc, 2. li. iri'.)j. 



