366 







w. 



A. Humphrey. 



Altenberg-, 



Prozent Spat eisen. 



53-71 . 

 5-91 . 



; fr£}-.4M0./ § jr 



10-00 . 



. S10 2 



355 . 



. MnO = 2-75% Mn 



2-69 . 



• Äl 2 O s 



3-14 . 



. CaO 



8-66 . 



. MgO 



12-04 . 



. Glühverlust 



018 . 



. S 



o-oi . 



. P 



Prozent. Weißerz. 



68-01 . . . Fe 2 H = 47-61 o/ Fe 



1-39 . 



. Si0 2 



376 . 



. Mn 2 Ö3 = 2-38% Mn 



3-25 . 



. Äl % O z 



4-25 . 



. . CaO 



14-13 . 



. . MgO 



515 . 



. Glühverlust 



006 . 



. . S 



0-01 . 



. . P 



Prozent Braunerz. 



66-27 . . . Fe 2 0^ = 46-39% Fe 



6-04 







. Si0 2 



4-89 







Mn 2 s = 3-49% Mn 



3-65 







Äl 2 3 



2-90 







CaO 



7-86 







MgO 



8-23 







Glühverlust 



0-16 







8 



0-013 







. P 



Schönfeld. 



Prozent Motterz. 



74-06 . . . B\0 & = 5184% Fe 



7-79 . 





Si0 2 



2-84 . 





Mn 2 3 = 1-98% Mn 



275 . 





Al 2 B 



0-40 . 





CaO 



Spur . . 





MgO 



11-95 . 





Glühverlust 



0-03 . 





8 



0-10 . 







P 



[18] 



