172 ACIDIFIABLE COMBUSTIBLES. 



Silica 51-445 



Lime 47'412 



Protoxide of iron 0-401 



of manganese 0-257 



Water 0-076 



99-591 * 



Rose analyzed, in Berzelius' laboratory, a spe- 

 cimen of table spar from the village of Perhe- 

 niemi in Finland, the constituents of which were 



Silica 51-6 



Lime 46-41 



Oxide of iron, trace 

 Actinolite 1-11 



99'12 t 



The specimen analysed by BonsdorfT was from 

 Pargas in Finland ; it had been mistaken for 

 tremolite. Its constituents were 



Silica 52-58 



Lime 44-45 



Magnesia 0-68 



Protoxide of iron 1-13 



Volatile matter 0-99 



99-83 J 



Before drawing any conclusion from these ex- 

 periments, it may be proper to observe that in 

 the Bannat, the table spar occurs in a rock con- 

 sisting of garnets, blue limestone, and table spar. 



* Untersuchungen, I. 356. f Nordenskibld's Bedrage, 1st part, p. 94-. 

 f Annals of Philosophy, (second series) II. 300. 



