THE COLLECTION OF MINERALS 



mines. In recent years extraordinarily beautiful specimens of 

 this mineral have been found in England. 



As the visitor completes this preliminary survey of the Hall 



BARITE FROM CUMBERLAND, ENGLAND 



of Minerals, it is suggested that he review his impressions in the 

 light of these general reflections : 



First, that in the inorganic or mineral world the forces gov- 

 erning the molecular arrangement of matter in crystalline forms, 

 and the affinities governing the chemical combination of elements, 

 rule universally; 



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