Tounkin 51°44' N. 102°32' E Tunka, Irkutsk, Buryatia, Russia Fall 1824, February 18, 07:00 hrs Stone. Chondrite. Synonym(s): Irkutsk; Tunka; Tunkin Approx recovered weight: 2 kg After detonations, a stone of about 2kg was seen to fall. K.E.A. von HofT(1832). Source