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Lonsdaleite: C
Comments: a) A Reflected light photograph of lonsdaleite and unidentified polymorph (New Phase) with lead comtamination. b) synchrotron X-ray diffraction, imaging and X-ray fluorescence fine-scale mapping of the different phases. (ESRF 2003 highlights). Location: Shocked gneisses from the Popigai Crater, Russia. Scale: See Image. © Eur. Sync. Rad. Fac.