MINERALS. 101, 



DIVISION 2. 

 Section 2 - The Sulphide Group. 



1st Series - The Mono-sulphide Series, continued. 



Compact Galena. Waitlockhetid. 



Corroded 



Galena with Brown Blende. 



Galena and Blende on Quartzose matrix. Isolotto dei Topi, Italy 



Galena, amorphous Monte di Rio, Italy, 



Galena with Quartz. 



Pyrites. 



,, Slderite. 



Chalcopyrite. Tug da, River, Zulu land, 



in iSiliceons Rock. 

 Argentiferous Galena, 



,, ,, Pietratanta, Italy. 



> , Broken Hill, S. Australia. 



>> M San Dalmazzo, Italy. 



Galena with Quartz. Elba. 



,, crystallized. Sardinia. 



,, crystallized on Quartz and Fluorite. 

 Redruthite. Cornwall. 

 Blende - Sulphide of Zinc "Black Jack" 

 ,, Sardinia. 



Ponte di Nozze, near Bergamo, Italy. 

 Blende Crystal in Dolomite. Binn, Switzerland. 

 Cinnabar. Serravezza, Italy. 



Monte Amiata, Italy. 



,, Thames, New Zealand. 



