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A Chelyabinsk fragment with 30% primary fusion crust.
Read our article about the Chelyabinsk meteorite.
| Name | Chelyabinsk 15.0 g | Meteorite type | Stony meteorite LL5 | 
| Fall date | Feb 15, 2013 | Total known weight | 100 kg | 
| Fall region | Chelyabinskaya oblast | Chemical composition | Olivine Fa27.9±0.35, orthopyroxene Fs22.8±0.8, Wo1.30±0.26, feldspar Ab86 | 
| Weathering grade | W0 | Shock stage | S4 | 
| Weight | 15.0 grams | Size | 36 mm x 22 mm x 16 mm | 
| Item number | 25 |