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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">geolmsu</journal-id><journal-title-group><journal-title xml:lang="ru">ВЕСТНИК МОСКОВСКОГО УНИВЕРСИТЕТА. СЕРИЯ 4. ГЕОЛОГИЯ</journal-title><trans-title-group xml:lang="en"><trans-title>Moscow University Bulletin. Series 4. Geology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0579-9406</issn><publisher><publisher-name>Издательский Дом МГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55959/MSU0579-9406-4-2025-64-2-94-105</article-id><article-id custom-type="elpub" pub-id-type="custom">geolmsu-799</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СОДЕРЖАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CONTENTS</subject></subj-group></article-categories><title-group><article-title>Новые данные о минералах группы гельвина: изоморфные замещения, форма нахождения серы, КР-спектроскопия</article-title><trans-title-group xml:lang="en"><trans-title>New data on helvine-group minerals: Isomorphous substitutions, the form of sulfur, Raman spectroscopy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Булах</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulakh</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Олеговна Булах</p><p>Москва</p></bio><bio xml:lang="en"><p>Maria O. Bulakh</p><p>Moscow</p></bio><email xlink:type="simple">bulahmo@my.msu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пеков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pekov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> </p><p>Игорь Викторович Пеков</p><p>Москва</p></bio><bio xml:lang="en"><p>Igor V. Pekov</p><p>Moscow</p></bio><email xlink:type="simple">igorpekov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щербаков</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherbakov</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василий Дмитриевич Щербаков</p><p>Москва</p></bio><bio xml:lang="en"><p>Vasily D. Shcherbakov</p><p>Moscow</p></bio><email xlink:type="simple">vsh@geol.msu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вигасина</surname><given-names>М. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Vigasina</surname><given-names>M. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марина Федоровна Вигасина</p><p>Москва</p></bio><bio xml:lang="en"><p>Marina F. Vigasina</p><p>Moscow</p></bio><email xlink:type="simple">vigasina55@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Олегович Карпов</p><p>Москва</p></bio><bio xml:lang="en"><p>Andrey O. Karpov</p><p>Moscow</p></bio><email xlink:type="simple">karpovao@my.msu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чуканов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chukanov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никита Владимирович Чуканов</p><p>Москва</p><p>Черноголовка</p></bio><bio xml:lang="en"><p>Nikita V. Chukanov</p><p>Moscow</p><p>Chernogolovka</p></bio><email xlink:type="simple">chukanov@icp.ac.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова; Минералогический музей им. А.Е. Ферсмана РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Fersman Mineralogical Museum of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова; ФИЦ проблем химической физики и медицинской химии РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>19</day><month>06</month><year>2025</year></pub-date><volume>64</volume><issue>2</issue><fpage>94</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Булах М.О., Пеков И.В., Щербаков В.Д., Вигасина М.Ф., Карпов А.О., Чуканов Н.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Булах М.О., Пеков И.В., Щербаков В.Д., Вигасина М.Ф., Карпов А.О., Чуканов Н.В.</copyright-holder><copyright-holder xml:lang="en">Bulakh M.O., Pekov I.V., Shcherbakov V.D., Vigasina M.F., Karpov A.O., Chukanov N.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestnik.geol.msu.ru/jour/article/view/799">https://vestnik.geol.msu.ru/jour/article/view/799</self-uri><abstract><p>Изучено 102 образца гельвина, даналита и гентгельвина из 35 объектов разных генетических типов, а также два кристалла синтетических аналогов гельвина и даналита. Показано, что данные бериллосиликаты (в отличие от структурно близких алюмосиликатов группы содалита) содержат серу главным образом в форме простого аниона S2– и в незначительном количестве — в форме анион-радикала S2 •−. Рассмотрена природа примесных Ca и Al для этих минералов. Предполагается, что изоморфизм с участием Al реализуется по схеме: 2Si4+ + S2– → 2Al3+ + ☐0 . Примесь Ca связана преимущественно с  вростками кальцита, флюорита и кальциевых гранатов.</p></abstract><trans-abstract xml:lang="en"><p>102 samples of helvine, danalite and genthelvite from 35 objects of different genetic types, as well as two crystals of synthetic analogues of helvine and danalite, were studied. It is shown that these beryllosilicates (unlike structurally similar aluminosilicates of the sodalite-group) contain sulfur mainly in the form of S2– and in a subordinate amount in the form of the S2 •− radical anion. The nature of the Ca and Al impurities for these minerals is considered. It is assumed that the isomorphism involving Al is realized according to the scheme: 2Si4+ + S2– → 2Al3+ + ☐0 . The Ca impurity is mainly associated with calcite, fluorite and calcium garnet growths.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гельвин</kwd><kwd>даналит</kwd><kwd>гентгельвин</kwd><kwd>бериллосиликаты</kwd><kwd>КР-спектр</kwd><kwd>полисульфидные группы</kwd><kwd>изоморфизм</kwd></kwd-group><kwd-group xml:lang="en"><kwd>helvine</kwd><kwd>danalite</kwd><kwd>genthelvite</kwd><kwd>beryllosilicates</kwd><kwd>Raman spectrum</kwd><kwd>polysulfide groups</kwd><kwd>isomorphism</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования выполнены при поддержке РНФ, грант № 22-17-00006, https: //rscf. ru/ project/22-17-00006/.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Беус А.А. 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