136 



Soda Nitre. 



Stassfur 

 Salts. 



Pmidermile and Colemanite^ borates of lime, California. 

 TJlexite, borate of lime and soda, California. 

 Nitrate of soda. Chili. 



A deposit of soluble salts, associated with rock salt, occur in 

 great variety at Stassfiirt, in Germany. Some of these are 

 of considerable value for agricultural and other purposes. 



Kainite^ hydrous sulphate of magnesia with chloride of 

 potassium. 



Kieserite, hydrous sulphate of magnesia. 

 Glauherite, hydrous sulphate of lime and soda. 

 mriigite, hj'drous sulphate of lime, potash, and magnesia. 

 {Jarnallite, hydrous chloride of magnesium and potassium. 

 ■Sylvine, chloride of potassium. 

 Boracite, borate and chloride of magnesium. 

 HubtcUum alum, Sfc. 

 California. 

 Stassfiirt, AVyoming. 

 Sicily, crude sulphur and products. 

 Cape 106. China Clay, Staffordshire potteries. 



' " ^ ' ■ B.aw materials, intermediate products and manufactured 



articles. 



lire Clays, Kentucky, Yirginia, Glenboig, Durham (Eng.), 

 Sheffield, Leeds, Stourbridge, New Zealand, Victoria (Morwell). 



The refractory material from Sheffield is Cdlledi gannister ; it 

 is very siliceous, and has great heat-resisting powers. 



Clays from Isew South Wales are contained in ease 76 (see 

 page 06). 



Ilagnesite, Austria, with manufactured brick ; used for 

 heat-resisting purposes. 



Stcaiiie, Carolina (see page 149). 



iiilphate of 



Soda. 



Epsomite. 

 Eiilphur. 



