MINERALS. 105 



DIVISION 2. 

 S3ction 4. The Sulphur -salts. 



Dufrenoysite in Dolomite. Bum, Switzerland. 

 Sartorite in Dolomite. Binn. 

 Biunite in Dolomite. Binn. 



,, and Realgar in Dolomite. Binn. 



an 1 Blende. Binn. 

 Bournonite. 1 Cornwall. 



Tetrahedrite with Malachite. Champion Minn, Nelson t N. Z. 

 Proiwite, a Sulph-arsenite of silver-bright red. Chili, 



DIVISION 3, 



THK COMPOUNDS OF METALS WITH ELEMENTS 

 OF THE CHLORINE GROUP. 



Section 1. - Siinqle Chlorides, &c. 



Cube of Halite, - Common Salt. Bex, Switzerland, 

 Salgemma, Sa't Cryst 1, (in bottle) Lungro, Calabria. 

 Fluor Spar. Renfrews',.^, Scotlm.d. 



" Blue Ju'in" Yorkshire, England. 

 ,, in purple cubes. 



polyhedral. Cumberland. 



Fluorite on Quartz Barstow Mine, Ouray, Colorado. 

 Fluorite Crystals with Galena Crystals. Sarrabvs, Sardinia. 

 Ammonium Chloride. Vesuvius, -Eruption 1872. 



