11.4 gram complete slice.

From the Meteoritical Bulletin:

At about 21:00 UT (around noon local time) on June 19, 2010, a bright fireball was observed over the eastern side of Brazil. Mr. Germano, who lives at the border of Rio de Janeiro and Espirito Santo, heard several explosions and saw two black objects falling. One ~600 g stone fell about 15 m from him. Early the next day, he found another piece beneath a banana tree.