ANALYSES OF MINERALS. \G\ 



Humboldt brought over a meteorolite from the province Another. 

 of Durango, in Mexico, from which prof. Klaproth obtained 



Native iron 96*75 



Metallic nickel 3*25 



100 



Native iron from the iron-mine of St. John, near Gross- Native iron 

 kansdorf, in Saxony. from Saxony. 



Iron 92*5 



Lead • 6 



Copper * • 1 '5 



100 



Sparry ironstone from Dankerode, in the country of Iron spaT fro 

 Halberstadt. Dankerode 



and 

 Black oxidulated iron ...... 57'50 



Oxide of manganese 3-50 



Calcareous earth 1*25 



Carbonic acid 36 



98*25 



Sparry ironstone from Bayreuth. Bayreuth. 



Black oxidulated iron 58 



Oxide of manganese ...... 4*25 



Magnesia • 0*75 



Lime 0*50 



Carbonic acid ••• 35 



98-5 



Blue iron earth from Eckartzberg (native Prussian blue Phosphate of 

 of Bergman and some other authors). iron ' 



Oxidulated iron 47*5 



Phosphoric acid 32 



Water • «..« 20 



99'5 



(To he continued J, 



Vol. XXXII.— June 1812. M Scientific 



