ANALYSES OF MINERALS. 



381 



Crystallized graugultigerz from 



Kapnik. 



i 



Copper - 



- ■ 



- • 



37*75 ' 



Antimony 



- 



- 



22 



Zinc 



- 



- 



5 



Iron 



_ 



- 



3-25 



Sulphur - 



- 



- 



28 . 



Silver 



Oxide of manganese 



:} 



0-25' 



Loss 







3-75 





100 



Graugultigerz in mass 



from Poratsch in 



Lower Hungary. 



Copper 



- 



- 



39 



Antimony 



- 



- 



19-50 



Iron 



- 



- 



7-50 



Mercury - 



- 



- 



6-25 



Sulphur 



- 



- 



25 



Loss 







1'75 





100 



Graugultigerz in mass 



from Annaberg. 





Copper 





- -, 



40-25 



Silver 





- 



0-30 



Antimony 





- 



23 



Iron 





- 



13-50 



Sulphur 





- 



18-50 



Arsenic 





- 



0-75 



Loss 







3-70 

 100 



Crystallized graugulti^ 



;orz from Zilla, i 



in Clausthall. 



Copper 



- 



- 



37-5 



Silver 



- 



- 



3 



Antimony - 



- 



- 



29 



Iron 



- 



- 



6-5 



Sulphur 



- 



- 



21-5 



Loss 





" 



.25 





100 









Graugultigerz 



Graugultigerz 

 from Kapnik, 



from Poratsch, 



from Anna- 

 berg, 



from Zilla, 



