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 
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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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