Here are some excellent pictures found on the Internet by Jason Utas:
Russian authorities have reported the find of a large mass of what they believe to be from the Chelyabinsk meteorite that exploded over the city on February 15, 2013.
This find weighs in at well over half-ton and was pulled from the bottom of a lake where a large hole was observed after the event.
It was unclear in the following article whether tests had confirmed the meteoric origin of the recovered rock AND confirmation that it was indeed ties to Chelyabinsk.
Read More About It: http://phys.org/news/2013-10-russia-huge-chelyabinsk-meteor-chunk.html
Sky Guy in VA