Viktor Grokhovsky, who led an expedition from Urals Federal University, said the meteorites plucked from the ice-covered Chebarkul Lake so far are less than a centimetre and had an iron content of about 10%.
Locals saw a big meteorite fall into the lake on Friday, leaving a six-metre-wide hole in the ice. Mr Grokhovsky said a meteorite up to two-feet across could eventually be found in the lake.
Russian health officials today raised the number of those injured from the meteor's arrival to nearly 1,500 people, with 46 of them still in hospital.
