Chap. XXXIV.] ciihindwara : gowari waehona. 
799 
crops the ore was broken from in situ, whilst from the other pits and 
trenches it was taken from the small heaps of ore that had been extracted. 
The ore in the sample consisted of various pieces of the braunite-psilonie- 
lane mixtures with a fair amount of ore containing the crystalline manga- 
nate. The analysis was carried out at the Imperial Institute with the 
following result :— • 
Sample No. 7- 
Manganese jieroxide ......... 54-02 
Manganese protoxide . . . . . . . . . 26'02 
Ferric oxide . . . . . . . . . . . 7'15 
(Jombined silica .......... 4".55 
Free silica . . . . . . . . . . . 1 ■ 00 
Phosphoric oxide . . . . . . . . . .0'17 
Moisture at 100°C O-.'il 
This is equivalent to : — 
Manganese . . . . . . . . . . . 53'59 
Iron 5-00 
Silica (total) 6-21 
Phosphorus ........... 0-074 
and indicates that the ore is composed c f about 45 per cent, of braunite, 
with the balance largely made of the two manganates, psilomelane and 
hollandite. 
For comparison with the foregoing analyses I give below some others 
extracted fi'om the reports of Messrs. H. K. Scott and W. Selkirk : — 
Analyses of samples taken hy Mr. Scott. 
Number. 
1 
2 
3 
4 
Manganese . 
53 
87 
51-82 
54- 15 
50-45 
"1 
Iron . 
2 
76 
3- 10 
2-56 
1-.31 
1 
1 
Dried a 
y 
1 
212°r 
Silica . 
2 
65 
10-16 
1-45 
6-37 
Phosphorus . 
0 
041 
0-090 
0-030 
0-072 
1 
J 
No. 1. From test pits at west end of property and mostly of beautifr.l crystal- 
line appearance. 
No. 2. From cross-cuts at east end of property and containing some decomposed 
felspar and kaolinic matter. 
No. 3. Mineral from outcrop with crystalline structure. 
No. 4. Do. , but of massive and amorphous character. 
