28 H. Wurtz on Cobalt and Nickel. 
This ’ Mountain gozzan was found, by aeessne analy- — 
sis, to contain besides cobalt, nickel, manganese and iron, small | 
quantities of copper, bismuth, zine, hime, alumina, magnesia and | 
ucina. Traces of sulphur were also ascertained by Mr. Jas. R. 
Brant, to whom I am indebted for some assistance in the exam- 
inations. No traces of arsenic could be found. 
In the mineral from the Asbury shaft, qualitative examination 
detected tron, manganese, cobalt, nickel, copper, bismuth, zinc, alu- | 
mina, silica, lime and magnesia, besides traces of something 
which seemed to give the reactions of tellurium.* Sulphur mm — 
traces — ee by Mr. Brant, but arsenic was sought for with- — 
out su 
That this is ho tellurium seems more probable in view of the gr 
able e indications obtained of the presence of the LOE se ane, bismuth. These 
links betw 
istrict, 
which was analyzed by Rammelsberg (Pogg. Ann., Ixxvi, 
ain an — guy ci, 2h, xxiii, 136) has long been * G een: In Genth’s 
ree an “ys desta quantity o of Te was found. Besides tie o several localities of 
e ismuth- 
urium. 
With regard to South American Tocalities “, bismuth, besides the pane tg 
i Brazilian tellurid of our, two others thus far be 
of which is at on mine of San Antonio, near Copiapo, Chili, sahennne eat was obtaine 
a bismuthet of sil or, ontaining, according to analysis of Domeyko, 10 p. c. of Bi, 
(Dans, A 16), aay the some is hone pragege & chiviatite, from Chiviato, Peru, a sul- 
p- 77). 
