: *, 
348 On the Examination of the Braunau Meteoric Iron. 
first of these in 1829, in the Virginia stone,* the ee OM 
1843,+ of its presence in the same stone (in answer to the doub 
expressed by Rumler in relation to the subject in Pogg. Ban 
Stuck 2, 1841), and repeated allusions to the same poi I 
recent peor reports: while, concerning titanic acid, it fe vate 
a that I gave in my report the following. reasons vs 
supposing ics it existed in the Juvenas stone under m rn 
tion of sphenomite. “Thus named from its resemblance to a, pre. 
It occurs in eget (with a tinge of yellow) thin, ee " 
crystals, H.=5-5. Implanted on crystals of black apes 
associated with anorthite in the Juvenas stone. Before the blow- 
a pipe, it i readily to a black glass, which is rn It 
' dissolves with effervescence, presenting the reaction of 
* sphene. _ is luble in nitric acid, with the exception of aheavy 
—* white powder, insoluble in ammonia. This solution contained 
_ silicic acid and lime.” 
‘. _1 was therefore led to regard the presence of titanic acid as 
#7 early y certain in the meteorite ; and accordingly twice referred to 
| In the course of the report, as a probable ingredient of 
‘not, however, certain that the phosphoric acid exists com- 
bined mh lime, in the form of apatite. It is possible that mag- 
: __ hesia enters into the = and that the mineral constitutes 
a; <. a new species. Nor can I yield to the suggestion, that the sup- 
2 ‘posed titanic pos exists as rutile. On the other hand, I believe it 
nt in clr gong in which I also detected silicic 
and p brotoxyd of iron 
2. Fischer's Analysis. 
part of Fischer’s research Bia rad the Braunau 
ared in the Annalen, Band Ixxii, 8. 475, and was trans- 
y Mr. Lettsom for this Journal eel V, liser., p. 338). 
nThe principal portion of the present article relates to the com- 
Fischer of the insoluble ingredient of the iron, concerning which 
observes, that it has very properly been called Schreib- 
ersite by the Vienna naturalists. 
i> Now this is the name by which, in 1846, I designated the sul- 
phuret of chromium, found in the Bishopsville (S. C.) meteoric 
dig one year before the fall of the Braunau iron occurred. d 
I had moreover Seorie i ed in my report on meteorites, the very 
We 
* See this Journal, vol. xvi, p. 199. t Ibid, vol. xlv, p. 102. 
ii er 
