50 
THE BOND SPRINGS STONY METEORITE 
small bright metallic grains are visible. The interior, which 
is gray with occasional brown areas in the vicinity of the 
enclosed metallic grains, appears to be little altered. 
Before slicing, the specimen measured 26 x 15 x 13 mm. 
and weighed 6 18 grams ; specific gravity 3 '531 at 14° 0. After 
sectioning and polishing, only 2 03 grams remained. 
The specimen was too small to permit chemical analysis, 
but a micrometric analysis based on 21 traverses across a 
polished surface indicates the proportions of the main con- 
stituents set out below. 
Assumed Calculated 
Volume Specific Weight 
Gravity % 
Fe-Ni metal 8 3 7 5 17 3 
Pyrrhotite 37 46 47 
Silicates .. 879 3 2 77 9 
Chromite 01 44 01 
In the table shown these calculated percentage weights 
are compared with similar percentages calculated from 
chemical analyses of other aerolites. 
Fe-Ni 
Iron 
Specific 
M ctal 
Sulphide 
Silicates 
Gravity 
% 
% 
% 
1 
.. .. 17-3 
4-7 
77-9 
3-53 
2 
.. .. 15-2 
5-5 
79-3 
3-52 
3 
.. .. Ill 
4-4 
84-5 
3-53 
4 
.. .. 18-5 
5-2 
76 3 
3-61 
5 
13 2 
5-7 
8M 
3-54, 3-55, 
3-59, 3-62 
6 
.. .. 13-4 
3-4 
83-2 
3-59 
7 
.. .. 93 
5-5 
85-2 
3-62 
8 
.... 80 
6-5 
85-5 

9 
.. .. 19-6 
4-8 
75-6 
3 59 
10 
.. .. 18-9 
5-7 
75’4 

11 
.... 0-4 
40 
95-6 
3-50 
12 
.... 70 
6 0 
870 
3-51 
13 
.... 9 8 
7-3 
82-9 
3-45 
14 
.... 7-2 
6-4 
864 
3-48 
1. Bond Springs Meteorite, Alice Springs District, Central 
Australia. 
2. Suwahib, Arabia (3) ; 3. Hedjaz, Arabia (3) ; 4. Cronstad, 
Orange River Colony, South Africa (3) ; 5. Morven, New 
Zealand (8) ; 6. Rosebud, Texas, U.S.A. (2) ; 7. Rangala, 
India (4). 
8. Eli Elwah, N.S.W. (7) ; 9. Elsinora, N.S.W. (7) ; 10, 
Gilgoin, No. 7, N.S.W. (7) ; 11. Karoondah, South Australia 
(7) ; 12. Lake Brown, Western Australia (7) ; 13. Narellan, 
N.S.W. (7); 14. Warbreccan (Tenham), Queensland (7). 
