N. V. Zubkova, N. V. Chukanov, D. A. Varlamov, M. F. Vigasina, I. V. Pekov, D. A. Ksenofontov, D. Yu. Pushcharovsky
{"title":"A Sulfite-Bearing Analog of Marinellite","authors":"N. V. Zubkova, N. V. Chukanov, D. A. Varlamov, M. F. Vigasina, I. V. Pekov, D. A. Ksenofontov, D. Yu. Pushcharovsky","doi":"10.1134/s1075701523070152","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The crystal structure of a mineral of the cancrinite group with an aluminosilicate framework of the marinellite type and a dominant sulfite group <span>\\({\\text{SO}}_{3}^{{2 - }}\\)</span> in one of the extraframework sites in the liottite cavity is studied. The studied mineral is derived from a paleovolcano near Magliano (Lazio, Italy) and is one of the major rock-forming phases of the leucite–nepheline syenite. The divergence factor was <i>R</i> = 5.71% for 6819 independent reflections with <i>I</i> > 2σ(<i>I</i>). The studied mineral is trigonal, space group is <i>P</i>31<i>c</i>, and the unit cell parameters are <i>a</i> = 12.87267(18), <i>c</i> = 31.7393(5) Å, <i>V</i> = 4554.75(15) Å<sup>3</sup>. The crystal chemical formula Na<sub>29.78</sub>K<sub>11.82</sub>Ca<sub>6.40</sub>(Si<sub>36</sub>Al<sub>36</sub>O<sub>144</sub>)(SO<sub>4</sub>)<sub>6</sub>(SO<sub>3</sub>)<sub>2</sub>Cl<sub>2</sub>(OH)<sub>0.40</sub>⋅3.98H<sub>2</sub>O (<i>Z</i> = 1), which is based on the results of XRD structure analysis, is consistent with electron-microprobe data. The presence of the <span>\\({\\text{SO}}_{3}^{{2 - }}\\)</span> anion was confirmed by the Raman spectrum.</p>","PeriodicalId":12719,"journal":{"name":"Geology of Ore Deposits","volume":"4 1","pages":""},"PeriodicalIF":0.8000,"publicationDate":"2024-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geology of Ore Deposits","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1134/s1075701523070152","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"GEOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
The crystal structure of a mineral of the cancrinite group with an aluminosilicate framework of the marinellite type and a dominant sulfite group \({\text{SO}}_{3}^{{2 - }}\) in one of the extraframework sites in the liottite cavity is studied. The studied mineral is derived from a paleovolcano near Magliano (Lazio, Italy) and is one of the major rock-forming phases of the leucite–nepheline syenite. The divergence factor was R = 5.71% for 6819 independent reflections with I > 2σ(I). The studied mineral is trigonal, space group is P31c, and the unit cell parameters are a = 12.87267(18), c = 31.7393(5) Å, V = 4554.75(15) Å3. The crystal chemical formula Na29.78K11.82Ca6.40(Si36Al36O144)(SO4)6(SO3)2Cl2(OH)0.40⋅3.98H2O (Z = 1), which is based on the results of XRD structure analysis, is consistent with electron-microprobe data. The presence of the \({\text{SO}}_{3}^{{2 - }}\) anion was confirmed by the Raman spectrum.
期刊介绍：
Geology of Ore Deposits is a periodical covering the topic of metallic and nonmetallic mineral deposits, their formation conditions, and spatial and temporal distribution. The journal publishes original scientific articles and reviews on a wide range of problems in theoretical and applied geology. The journal focuses on the following problems: deep geological structure and geodynamic environment of ore formation; distribution pattern of metallogenic zones and mineral deposits; geology and formation environment of large and unique metallic and nonmetallic deposits; mineralogy of metallic and nonmetallic deposits; physicochemical and isotopic characteristics and geochemical environment of ore deposition; evolution of ore-forming systems; radiogeology and radioecology, economic problems in exploring, developing, and mining of ore commodities.
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