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. 2016 Jun 14;7:ncomms11851. doi: 10.1038/ncomms11851

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(a) Chrome-spinel grain with inclusion of a TiCr-mineral, possibly olkhonskite (TiO₂=56 wt%, Cr₂O₃=30 wt%, FeO=9 wt%). (b) Rutile and chrome spinel in polished section of Öst 65. (c) Chrome-spinel grain with apparent shock deformation lamellae. Scale bars, 50 μm.