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1.255 kg. 229 x 219 x 3mm.   Iron, ung.

TKW 260 kg. Fall not observed. Found 1965, near Tishomingo, Johnston County, Oklahoma, USA.

      ^buchlink

Darryl writes:

Tishomingo has long been one of my favorite meteorites. First, there is the matter of the name. Tishomingo, the capital of the Chickasaw Nation in Oklahoma, was named for a Chickasaw Indian chief who died in the Trail of Tears (the ongoing forced relocations of Native American from the southeast in the mid 1800s to west of the Mississippi River — during the course of which thousands died from starvation, disease and exposure) and he never made it. Tishomingo, Mississippi was named after the same chief.

Secondly, in terms of its melt value, Tishomingo is intrinsically among the most valuable meteorites due to a nickel content of approximately 32.5%.

Thirdly, it is ungrouped, and while there are many ungrouped irons, only the smallest fraction look truly extraordinary. Referring to the course martensitic structure, Vagn Buchwald wrote in the "Handbook of Iron Meteorites":

A similar structure is unknown in any other meteorite…Tishomingo is a very pure iron-nickel alloy. No carbides, phosphides or silicates were identified at all…Tishomingo is a unique meteorite, unrelated to any other meteorite.

Lastly, it was found by a young boy while bird hunting and I was able to acquire several specimens in an exchange with one of the most gracious and lovely men I will ever have the pleasure to know, Dr. Art Ehlmann at TCU (Monnig Collection).

One side of this complete slice is etched and scattered blebs of troilite provide accents. This is an exemplary specimen of a most distinguished meteorite.

Lot 45 of Christie’s Deep Impact Auction ending 8/25/20