234 ANALYSES OF MINEEALS. 



Red silver ere. Rotbgultigerz. 



Silver. . . : 60 



Antimony 19 



Sulphur 17 



Oxigen 4- 



100 

 Ore of lead Fibrous arseniated phosphated lead, from Rosier, near Pciit* 



gibaud, in Auvergne. 



Oxide of lead 76 



Phosphoric acid 13 



Arsenical acid 7 



Muriatic acid 175 



Water 0-50 



Loss 175 



100 

 Ores of tita- Iserine. 



fi^^D*- Oxidulated iron 72 



Oxide of titanium 28 



100 

 Granular titanited iron. 



Oxidulated iron « 85'$ 



Oxide of titanium 14 



manganese. 0'5 



100 

 Pitdilikeixon Ferruginous pecherz, or piciform iron, from Freyberg. 



*''*• Oxide of iron 67 



Sulphuric acid* 8 



Water. 26 



101 



Ironglance Octaedral crystallized volcanic eisenglanz. Sp. gr. 3-88. 



Oxidulated iron o . 66 



Silex 2950 



Alumine 4 



iPotash , , 0-25 



9975 



* So in the French,— C, 



Til* 



