C. U. Shepard on Potassium in Meteoric Iron. 5 
2. Potassium in the Meteoric Iron of Ruff’s Mountain, South 
Carolina.—This iron, it should here be mentioned, was. not 
found on that part of the mountain situated in Newberry, as for- 
merly supposed ; but in the contiguous county of Lexington. 
Having noticed a peculiarity in the manner in which this iron 
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gathers moisture, while the rest of thie sdrface retains its dryness 
and polish. Turmeric c paper a to the moistened spots were 
cea a wned. Foie led me to subject two ounces of 
alkali was present. The Parcteboe heared renders it prob- 
able, that it was owing to the carbonate of potassa, rather than to 
the carbonate of soda, although there is nothing to disprove the : 
Presence of the latter alkali also. 
€ condition in which > gal is present is of course only 
conjectural. It probably exists as an alloy with some of 
other metals, which is not uniformly distributed throughout t the 
eee Tee 
* The mass measures 8% inches in height, and 74 inches horizontally across the 
polished face. od 
