S84 ANALYSES OF MINERALS, - 



Wack stiuro- Black stau rolite *. 



Kte - • Silex ;........ 37-50 



Alumine — 41 



Oxide .of rrmi.. ..;.:.... 18-25 



•*-*-^—> manganese ... 0*50 



Magnesia 0-50 



97-75 

 tted staurolzte. Red staurolite from St, Gothard +. 



Silex 27 



Alumiiie 52*25 



Oxide of iron ... ...... 18-2.5 



: manganese... 0'25 



97-75 

 Reddish tour- Rubellite from Roschna, where it is found with lepido* 

 maiin from Ji*e + 



Moravia. +' „.. ".*«.*.'• 



Silex ..,. 43*50 



Alumine 42*25. 



Oxide of manganese 1-50 



Lime [ 0-1Q 



Soda 9 



Water 1-25, 



Loss 2-40 



100 



Blue calcareous Blue calcareous stone from Vesuvius, 



atone from Ve~ t • c o 



sayms. L,me • 58 



Carbonic acid 28*50 



Ammoniacal water 11 



Magnesia 0'50 



Oxide of iron..., 0-25 



Charcoal 0-25 



Silex 1-25 



99-75 

 (To be concluded- in a future Number.) 



* Journ. vol. xxvii, p. 1 52 . 



tlb. 



} lb. p. 154. 



