Crystallographic analysis of apatite and tourmaline structure types: Rules of maximum symmetrization and coherent assembly

被引：9

作者：

Borisov, S. V. ^{[1
]}

Pervukhina, N. V. ^{[1
,2
]}

Magarill, S. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk, Russia

[2] Novosibirsk Natl Res State Univ, Novosibirsk, Russia

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2017年 / 58卷 / 08期

关键词：

crystallographic analysis; cation sublattices; coherent assembly; crystallization mechanism; maximum symmetrization principle; STABILITY;

D O I：

10.1134/S0022476617080224

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Following the maximum symmetrization principle (maximum decrease in the degrees of freedom of atoms in the structure), the results of the crystallographic analysis of structures of the very abundant apatite type (P6(3)/m), rare krasheninnikovite mineral (P6(3)/mcm), and also abundant tourmaline (R3m) are discussed. The configuration of cations defining the structure in the first two minerals is created by a set of "skeletal" planes of the cubic and hexagonal sublattices, whereas tourmaline contains only a cubic sublattice, with a great similarity to the former in the cation framework geometry.

引用

页码：1641 / 1647

页数：7

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