1815.] in the Physical Sciences. 51 



("Silica .' 54-18 



} Lime 22'7'2 



Malacolite, from Longbaos- ' Magnesia 17-81 



hj^tan ) 0::ide of iron 2*18 



I manganese 1-45 



l_ Volatile matter 1-20 



99-54 



Serpentine, from Bojmos- 

 mine, in Norberg 



A black mineral from the iron 

 mine of Gillinge, in Suder- 

 manland. Sp. gr. 3-045 . . 



Magnesia 37-24 



Silica 32-00 



Lime 10-60 



Alumina 0-50 



Oxide of iron 0*60 



Volatile matter 14-16 



Loss 4'90 



100-00 



'Oxide of iron 51*50 



Silica 27-50 



Alumina 5-50 



Oxide of manganese 0-77 



Magnesia, a trace. 



Volatile matter 11-75 



Loss 2-98 



n 



100-00 



■Silica 46-40 



Alumina 29-00 



A violet stone from Borkhult. J Lime 17'14 



Sp. gr. 2-8 j Oxide of iron 0*70 



I Volatile matter 3*20 



t.Loss 3-56 



100-00 



r Lime 29-^8 



Bitter spar from Ljusncdal, In I Magnesia 21-6 



Herjeodal j Oxide of iron 1*0 



(^Carbonic acid 47*6 



100-0 



Silica 60- 



Alumina 15*60 



Lime 8-00 



Oxide of iron 1*80 



Volatile matter 11*60 



Loss 3-00 



Mealy zeolite from Fahlun 



100-00 



D 2 



