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Crystals 2017, 7(5), 133; doi:10.3390/cryst7050133

Specific Internal Structure of Diamonds from Zarnitsa Kimberlite Pipe

1
V. S. Sobolev Institute of Geology and Mineralogy, Siberian Branch Russian Academy of Sciences, Novosibirsk 630090, Russia
2
Department of Geology and Geophysics, Novosibirsk State University, Novosibirsk 630090, Russia
3
Budker Institute of Nuclear Physics, Siberian Branch Russian Academy of Sciences, Novosibirsk 630090, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Helmut Cölfen
Received: 30 March 2017 / Revised: 4 May 2017 / Accepted: 7 May 2017 / Published: 11 May 2017
(This article belongs to the Special Issue Diamond Crystals)
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Abstract

The Zarnitsa kimberlite pipe is one of the largest pipes of the Yakutian diamondiferous province. Currently, some limited published data exists on the diamonds from this deposit. Among the diamond population of this pipe there is a specific series of dark gray to black diamonds with transition morphologies between octahedron and rounded rhombic dodecahedron. These diamonds have specific zonal and sectorial mosaic-block internal structures. The inner parts of these crystals have polycrystalline structure with significant misorientations between sub-individuals. The high consistency of the mechanical admixtures (inclusions) in the diamonds cores can cause a high grid stress of the crystal structure and promote the block (polycrystalline) structure of the core components. These diamond crystals have subsequently been formed due to crystallization of bigger sub-individuals on the polycrystalline cores according to the geometric selection law. View Full-Text
Keywords: diamond; internal structure; diffraction of backscattered electrons; radial mosaic pattern; Zarnitsa kimberlite pipe diamond; internal structure; diffraction of backscattered electrons; radial mosaic pattern; Zarnitsa kimberlite pipe
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ragozin, A.; Zedgenizov, D.; Kuper, K.; Palyanov, Y. Specific Internal Structure of Diamonds from Zarnitsa Kimberlite Pipe. Crystals 2017, 7, 133.

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