ID 491264
Лот 54 | END PIECE OF THE SILICATED IRON METEORITE NWA 5549
Оценочная стоимость
$ 4 000 – 6 000
The cut surface reveals silicates interspersed in a matrix featuring a coarse Widmanstätten pattern which shimmers when rocked from side to side. The presence of this latticework is diagnostic in the identification of iron meteorites, and meteorites from different groups exhibit different crystalline patterns as a result of their varying compositions and cooling rates. The furrowed, highly textured reverse exterior evidences the aerodynamic scalloping referred to as regmaglypts (i.e., “thumb prints”), the result of melting from frictional heating as the meteorite plunged through Earth’s atmosphere.
Christie's would like to thank Dr. Alan E. Rubin at the Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles for his assistance in preparing this catalogue.
117 x 157 x 23mm (4.66 x 6 x 1 in.) and 897.6g (2 lbs)
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