Arctite超群的命名和分类。Aravaite，Ba2Ca18（SiO4）6[（PO4）3（CO3）]F3O，一种来自以色列内盖夫沙漠的新Arctite超群矿物

IF 1.1 4区地球科学 Q3 MINERALOGY

Canadian Mineralogist Pub Date : 2021-05-26 DOI:10.3749/CANMIN.2000035

E. Galuskin, I. Galuskina, Biljana Krüger, H. Krüger, Y. Vapnik, A. Krzątała, Dorota Środek, G. Zielinski

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引用次数: 2

摘要

赤铁矿的晶体结构，（Na5Ca）Ca6Ba（PO4）6F3（Rm，a=7.904Å，с=41.320Å），由E.Sokolova于1984年提炼。根据现代概念，该矿物属于插层反钙钛矿，其特征是插层三层反钙钛矿层{[F3（Ca7Na5）]（PO4）4}4+和四面体层Ba（PO4）24-。Hatrurim杂岩的高温变质岩石分布在死海裂谷沿线，是过去五年内发现的八种具有夹层反钙钛矿结构的新矿物的来源。因此，需要对分类和命名法进行更新和改进。加拿大国家矿业公司IMA批准了弧岩超群的新分类（备忘录95-SM20）。arctite超群结合了arctite群（具有三重反钙钛矿层的矿物），包括arctite，（Na5Ca）Ca6Ba（PO4）6F3；nabimusaite、KCa12（SiO4）4（SO4）2O2F；钡钙石、钡钙石（SiO4）4（SO4）2O3；和杂辉橄榄岩，BaCa12（SiO4）4（PO4）2F2O，具有杂辉橄榄岩群（具有单一反钙钛矿层的矿物），包括杂辉橄榄石，BaCa6[（SiO4；方沸石、方沸石、BaCa6[（SiO4）（VO4）]（VO4）2F；钡钙石、钡钙石（SiO4）2（SO4）2O；以及方沸石BaCa6（SiO4）2[（PO4）（CO3）]F。赤铁矿超群的另一个未分组成员是赤铁矿，Ba2Ca18（SiO4）6[（PO4）3（CO3）]F3O，这是一种独特的矿物，由赤铁矿和赤铁矿的超模块有序嵌入形成。此外，本文还介绍了一种新矿物阿拉瓦石。晶体结构先前已发表（Krüger等人，2018）。此外，还讨论了在哈特鲁里姆杂岩岩石中发现的可能的弧超群新矿物的初步数据。

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Nomenclature and Classification of the Arctite Supergroup.Aravaite, Ba2Ca18(SiO4)6[(PO4)3(CO3)]F3O, a New Arctite Supergroup Mineral from Negev Desert, Israel

The crystal structure of arctite, (Na5Ca)Ca6Ba(PO4)6F3 (Rm, a = 7.904 Å, с = 41.320 Å), was refined in 1984 by E. Sokolova. According to modern concepts, this mineral belongs to the intercalated antiperovskites and is characterized by intercalation of triple antiperovskite layers {[F3(Ca7Na5)](PO4)4}4+ and tetrahedral layers Ba(PO4)24–. The pyrometamorphic rocks of the Hatrurim Complex, which are distributed along the Dead Sea Rift, are the origin of eight new minerals with intercalated antiperovskite structures, all discovered within the last five years. Therefore, an update and improvement of the classification and nomenclature was required. The new classification of the arctite supergroup was approved by the CNMNC IMA (Memorandum 95–SM20). The arctite supergroup combines the arctite group (minerals with triple antiperovskite layers), which includes arctite, (Na5Ca)Ca6Ba(PO4)6F3; nabimusaite, KCa12(SiO4)4(SO4)2O2F; dargaite, BaCa12(SiO4)4(SO4)2O3; and ariegilatite, BaCa12(SiO4)4(PO4)2F2O, with the zadovite group (minerals with single antiperovskite layers), which includes zadovite, BaCa6[(SiO4)(PO4)](PO4)2F; aradite, BaCa6[(SiO4)(VO4)](VO4)2F; gazeevite, BaCa6(SiO4)2(SO4)2O; and stracherite, BaCa6(SiO4)2[(PO4)(CO3)]F. Another ungrouped member of the arctite supergroup is aravaite, Ba2Ca18(SiO4)6[(PO4)3(CO3)]F3O – a unique mineral which is formed by the ordered intercalation of super-modules of ariegilatite and stracherite. In addition, a description of aravaite as a new mineral is presented in this paper. The crystal structure has been previously published (Krüger et al. 2018). Furthermore, preliminary data for potentially new minerals of the arctite supergroup, found in rocks of the Hatrurim Complex, are discussed.

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来源期刊

Canadian Mineralogist 地学-矿物学

CiteScore

2.20

自引率

22.20%

发文量

审稿时长

4-8 weeks

期刊介绍： Since 1962, The Canadian Mineralogist has published papers dealing with all aspects of mineralogy, crystallography, petrology, economic geology, geochemistry, and applied mineralogy.