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Diamond: C Yimengite: K(Cr,Ti,Fe,Mg)12O19
Comments: Birefringence image of diamond displaying the location of yimengite inclusions (1, 2 , 3, 4, and 5) along the different octahedral growth zones. (Lithos, v77:181). Location: Sese kimberlite (50 km) south of Masvingo, Zimbabwe. Scale: See Image. © Lithos
Diamond: C
Comments: Translucent diamond penetration twin crystals. Location: Mbuji-Mayi (Miba), Democratic Republic of the Congo (Zaire). Scale: 3.70 carats, 7x7x7 mm. © John Betts - Fine Minerals
Comments: Photomicrographs (PPL) of numerous microdiamonds in Kumdy-Kol caboniferous dolomite marble (Elements v1, no 2). Location: Kokchetav Massif, Kumdy-Kol ultra high pressure facies area, northern Kazakhstan. Scale: See Image. © Elements Magazine
Comments: Single octahedral crystal of diamond. Location: Ghana, Africa. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals