Abstract
The first results on diamond growth in the Fe–С–S system with 1 wt % S (relative to Fe) at 6 GPa and 1450°C have been reported. The diamonds obtained contain about 30 ppm N, on average, and belong to the low-N transition diamond group Ib–IIa. It has been suggested that the reduction conditions formed by certain active elements such as S can play an important role in the formation of natural low-N diamonds.
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This work was carried out in accordance with a State Assignment of the Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences.
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Translated by E. Maslennikova
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Zhimulev, E.I., Babich, Y.V., Karpovich, Z.A. et al. Low-Nitrogen Diamond Growth in the Fe–C–S System. Dokl. Earth Sc. 494, 696–698 (2020). https://doi.org/10.1134/S1028334X20090226
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DOI: https://doi.org/10.1134/S1028334X20090226