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Diamonds from the Ebelyakh Placer (Anabar, Yakutia): New Data on the Division by Primary Sources

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Abstract

Based on the morphological, luminescent, infrared (IR), and electron paramagnetic resonance (EPR) data for representative collection of diamonds from the Ebelyakh placer, a scheme for dividing crystals into three groups, presumably associated with the primary diamond sources, is proposed. The separation is based on the statistical distribution of diamonds in the collection according to the content of A (IR) centers. The identification of three groups is confirmed by the differences of crystals from these groups in many typomorphic features, including habit, surface morphology, color, visual luminescence, the presence of twins and intergrowths, and the degree of mechanical wear.

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ACKNOWLEDGMENTS

We express our profound gratitude to E.A. Vasil’ev (St. Petersburg Mining University) for his assistance in the IR spectroscopic study.

Funding

This study has been completed as part of state order no. 1719189201752017729147283/2017-175, 16.06.2017

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Authors and Affiliations

  1. Department of Geology, Moscow State University, 119991, Moscow, Russia

    S. V. Vyatkin & G. Yu. Kriulina

  2. Fersman Mineralogical Museum, Russian Academy of Sciences, 119071, Moscow, Russia

    V. K. Garanin

Authors
  1. S. V. Vyatkin
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  2. G. Yu. Kriulina
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  3. V. K. Garanin
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Correspondence to S. V. Vyatkin, G. Yu. Kriulina or V. K. Garanin.

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The authors declare that they have no conflicts of interest.

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Translated by I. Baksheev

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Vyatkin, S.V., Kriulina, G.Y. & Garanin, V.K. Diamonds from the Ebelyakh Placer (Anabar, Yakutia): New Data on the Division by Primary Sources. Moscow Univ. Geol. Bull. 77, 531–539 (2022). https://doi.org/10.3103/S0145875222050167

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