Bohutín（捷克共和国）Rudolf矿锑矿脉中的Pb-Sb还原

Q3 Earth and Planetary Sciences

Bulletin Mineralogie Petrologie Pub Date : 2021-01-01 DOI:10.46861/bmp.29.275

Pavel Škácha, J. Sejkora

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引用次数: 0

摘要

在捷克霍里矿区(Bohutín, Březové)的一份档案资料中，发现了以辉锑矿和斜长石为主，并伴有半锡锑矿和锌锑矿的铅锌矿化。斜长石形成大小可达1毫米的半面体聚集体。单斜空间群C2/c斜长石的单位胞参数分别为:a 13.4890(17)， b 11.8670(14)， c 19.997(2) Å， β 107.199(8)°，V 3057.9(6) Å3。其化学成分(26次分析的平均值，基于30 apfu)对应于实验式Pb5.02Sb8.15S16.82。伴生锌矿正在形成尺寸达1毫米的半面体晶体。其经验公式为(Cu0.25Ag0.02Fe0.01)Σ0.28Pb9.22Sb22.19S41.31(26次分析的平均值，基于73 apfu)。Semseyite团聚体的经验公式为(Pb8.72Fe0.14)8.86Sb8.42S20.73(平均11次分析，基于38 apfu)。

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Pb-Sb zrudnění z Antimonitové žíly, důl Rudolf, Bohutín (Česká republika)

The Pb-Sb mineralization with dominant stibnite and plagionite and associated semseyite and zinkenite was found in an archive material collected at the Antimonitová vein, Bohutín, Březové Hory ore district (Czech Republic). Plagionite forms subhedral aggregates up to 1 mm in size. The unit-cell parameters of plagionite for monoclinic space group C2/c refined from the X-ray powder data are: a 13.4890(17), b 11.8670(14), c 19.997(2) Å, β 107.199(8)° and V 3057.9(6) Å3. Its chemical composition (average of 26 analyses, based on 30 apfu) corresponds to the empirical formula Pb5.02Sb8.15S16.82. Associated zinkenite is forming subhedral crystals up to 1 mm in size. Its empirical formula can be expressed as (Cu0.25Ag0.02Fe0.01)Σ0.28Pb9.22Sb22.19S41.31 (average of 26 analyses, based on 73 apfu). Semseyite aggregates have the empirical formula (Pb8.72Fe0.14)8.86Sb8.42S20.73 (average of 11 analyses, based on 38 apfu).

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来源期刊

Bulletin Mineralogie Petrologie Earth and Planetary Sciences-Economic Geology

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期刊介绍： Bulletin Mineralogie Petrologie is a peer-reviewed journal focused especially on: mineralogy, crystal chemistry and study of crystal structures of minerals study of mineral associations and processes of their origin meteoritics, research of tectites economic geology (of ore deposits) and study of history of mining of ore deposits topographic mineralogy petrology of igneous, metamorphic and sedimentary rocks instrumental analytical methods at mineralogy and petrology mineralogy and petrology as tools for archeology and similar disciplines