Analyzing the Polyhedral Shape of Mineral Inclusions in Diamond Crystals Using Goniometric Data

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Superhard Materials Pub Date : 2024-06-17 DOI:10.3103/S1063457624020035

V. M. Kvasnytsya

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Abstract

Drawing from our research and an extensive review of publications, we have compiled data from goniometric studies concerning the morphology of mineral inclusions in diamonds sourced from both kimberlites and placers. Specifically, we have examined the morphology of olivine, garnet, and chrome-spinelide inclusions. In the majority of instances, the crystalline shape of these mineral inclusions has been instrumentally confirmed to mirror that of diamonds. The formation of such shapes is attributed to the influence of the negative morphology of diamond crystals, the host mineral, on mineral inclusions. The shape of these inclusions reflects various features of diamond morphology, encompassing simple forms, habits, outlines, and surface topography of faces. Compelling evidence supporting the syngenesis of mineral inclusions with diamond-shaped crystals and the diamonds within which they are found lies in indicators of their simultaneous growth. These indicators include the presence of induction pseudo-edges, pseudo-faces, and pseudo-vertices on inclusion crystals.

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利用测角数据分析钻石晶体中矿物包裹体的多面体形状

摘要根据我们的研究和对出版物的广泛查阅，我们汇编了有关金伯利岩和块状钻石中矿物包裹体形态的测角研究数据。具体来说，我们研究了橄榄石、石榴石和铬尖晶石包裹体的形态。在大多数情况下，这些矿物包裹体的晶体形状经仪器确认与钻石的晶体形状一致。这种形状的形成是由于主矿物钻石晶体的负形态对矿物包裹体的影响。这些包裹体的形状反映了钻石形态的各种特征，包括简单形态、习性、轮廓和表面形貌。支持矿物包裹体与菱形晶体及其所在的钻石共生的有力证据在于它们同时生长的指标。这些指标包括包裹体晶体上存在的感应假棱、假面和假顶点。

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来源期刊

Journal of Superhard Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.80

自引率

66.70%

发文量

审稿时长

2 months

期刊介绍： Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.