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  H5

Observed fall March 5, 1960, in Burkina Faso.

From Wikipedia:

TKW probably over 1,000 kg. After three separate detonations, several thousands of stones rained down over an area of about 70 square kilometres (27 sq mi). The sound of the fall was heard as far as Ouagadougou, which is 100 kilometres (62 mi) away. Eyewitnesses said that some trees were broken and henhouses destroyed. The largest stones recovered weigh up to 10 kilograms (22 lb).

   

Matthias writes:

Perfectly shield-shaped oriented little stone with contraction crack plus prominent fissure, obviously formed during flight. I ask myself whether the "drop of fusion crust at the end of a deep crack" which Marcin mentions below could be a chondrule just at the surface and molten there.

Marcin Cimala writes:

Mystery specimen.

I found it in one of many shipments of Gao-Guenie that was sent to me directly from the site. This is perfect shield shaped oriented specimen, with drop of fussion crust at the end of a deep crack. So the crack was formed during the fall, not later.

But it's much more weathered than any other Gao I have seen and it looks a little different, so it may be older, single oriented fall from the same area. But because of its shape and size I‘m unable to make classification. Anyway its cool oriented specimen.

And adds in an email:

Well, its a strange one. Im not sure if this is Gao. Of course I got it with the other Gao from Burkina but specimen is really strange.

Copyright quote and pics: Marcin Cimala, PolandMet, Poland.