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New Data on the Structure of Eudialyte-Group Mineral Sergevanite. Ordered and Disordered Structures of Minerals with Complex Composition
The structure of a new eudialyte-group mineral sergevanite has been investigated using X-ray diffraction (XRD) analysis and electron probe microanalysis. The parameters of an elementary trigonal cell of the mineral are found to be a = 14.2179(1) Å, c = 30.3492(3) Å, and V = 5313.1(7) Å 3 ; sp. gr. R...
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| Published in: | Crystallography reports 2022-12, Vol.67 (7), p.1105-1113 |
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| description | The structure of a new eudialyte-group mineral sergevanite has been investigated using X-ray diffraction (XRD) analysis and electron probe microanalysis. The parameters of an elementary trigonal cell of the mineral are found to be
a
= 14.2179(1) Å,
c
= 30.3492(3) Å, and
V
= 5313.1(7) Å
3
; sp. gr.
R
3. The crystal structure is refined to the final reliability factor
R
= 2.74% in the anisotropic approximation of atomic displacements using 4870 reflections with
F
> 3σ(
F
). The idealized formula of the mineral (
Z
= 3) is (Na
12
KH
3
O)[Ca
3
(Mn
2
Ca)](Na
2
Fe)Zr
3
Ti
0.5
Si
25.5
O
72
OH
2
⋅(H
2
O)
2
. The approaches to study the structural features of eudialyte-group minerals are discussed. In the structures of these minerals, the complex composition is ordered over statistically occupied sites in correspondence with the crystallochemical properties of atoms (ions) and formation conditions, both thermodynamic (temperature and pressure) and kinetic (process rate and duration). This information is absent for disordered topological structures with mixed unsplit sites. |
| doi_str_mv | 10.1134/S1063774522070471 |
| format | article |
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a
= 14.2179(1) Å,
c
= 30.3492(3) Å, and
V
= 5313.1(7) Å
3
; sp. gr.
R
3. The crystal structure is refined to the final reliability factor
R
= 2.74% in the anisotropic approximation of atomic displacements using 4870 reflections with
F
> 3σ(
F
). The idealized formula of the mineral (
Z
= 3) is (Na
12
KH
3
O)[Ca
3
(Mn
2
Ca)](Na
2
Fe)Zr
3
Ti
0.5
Si
25.5
O
72
OH
2
⋅(H
2
O)
2
. The approaches to study the structural features of eudialyte-group minerals are discussed. In the structures of these minerals, the complex composition is ordered over statistically occupied sites in correspondence with the crystallochemical properties of atoms (ions) and formation conditions, both thermodynamic (temperature and pressure) and kinetic (process rate and duration). This information is absent for disordered topological structures with mixed unsplit sites.</description><identifier>ISSN: 1063-7745</identifier><identifier>EISSN: 1562-689X</identifier><identifier>DOI: 10.1134/S1063774522070471</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Composition ; Crystal structure ; Crystallography and Scattering Methods ; Electron probe microanalysis ; Minerals ; Physics ; Physics and Astronomy ; Reliability aspects ; Structure of Inorganic Compounds</subject><ispartof>Crystallography reports, 2022-12, Vol.67 (7), p.1105-1113</ispartof><rights>Pleiades Publishing, Inc. 2022. ISSN 1063-7745, Crystallography Reports, 2022, Vol. 67, No. 7, pp. 1105–1113. © Pleiades Publishing, Inc., 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c246t-72910f3d31a51abb53a242d69d7df76a605ff1d0a25fbd1be44c16ecaa5fa4823</citedby><cites>FETCH-LOGICAL-c246t-72910f3d31a51abb53a242d69d7df76a605ff1d0a25fbd1be44c16ecaa5fa4823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Rastsvetaeva, R. K.</creatorcontrib><title>New Data on the Structure of Eudialyte-Group Mineral Sergevanite. Ordered and Disordered Structures of Minerals with Complex Composition</title><title>Crystallography reports</title><addtitle>Crystallogr. Rep</addtitle><description>The structure of a new eudialyte-group mineral sergevanite has been investigated using X-ray diffraction (XRD) analysis and electron probe microanalysis. The parameters of an elementary trigonal cell of the mineral are found to be
a
= 14.2179(1) Å,
c
= 30.3492(3) Å, and
V
= 5313.1(7) Å
3
; sp. gr.
R
3. The crystal structure is refined to the final reliability factor
R
= 2.74% in the anisotropic approximation of atomic displacements using 4870 reflections with
F
> 3σ(
F
). The idealized formula of the mineral (
Z
= 3) is (Na
12
KH
3
O)[Ca
3
(Mn
2
Ca)](Na
2
Fe)Zr
3
Ti
0.5
Si
25.5
O
72
OH
2
⋅(H
2
O)
2
. The approaches to study the structural features of eudialyte-group minerals are discussed. In the structures of these minerals, the complex composition is ordered over statistically occupied sites in correspondence with the crystallochemical properties of atoms (ions) and formation conditions, both thermodynamic (temperature and pressure) and kinetic (process rate and duration). This information is absent for disordered topological structures with mixed unsplit sites.</description><subject>Composition</subject><subject>Crystal structure</subject><subject>Crystallography and Scattering Methods</subject><subject>Electron probe microanalysis</subject><subject>Minerals</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Reliability aspects</subject><subject>Structure of Inorganic Compounds</subject><issn>1063-7745</issn><issn>1562-689X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kMFOwzAQRCMEEqXwAdwscQ7Yjh2nR9SWglTooSBxi5x43bpq42A7lP4Bn01CKzggTrurmXkrTRRdEnxNSMJu5gSniRCMU4oFZoIcRT3CUxqn2eD1uN1bOe700-jM-xXGOMsI60WfT7BFIxkkshUKS0Dz4JoyNA6Q1WjcKCPXuwDxxNmmRo-mAifXaA5uAe-yMgGu0cwpcKCQrBQaGW8P5w_Id6RD0qOtCUs0tJt6DR_f03oTjK3OoxPd6nBxmP3o5W78PLyPp7PJw_B2GpeUpSEWdECwTlRCJCeyKHgiKaMqHSihtEhlirnWRGFJuS4UKYCxkqRQSsm1ZBlN-tHVnls7-9aAD_nKNq5qX-ZUCE45Jbhzkb2rdNZ7BzqvndlIt8sJzrvC8z-Ftxm6z_jWWy3A_ZL_D30BY8SEYg</recordid><startdate>20221201</startdate><enddate>20221201</enddate><creator>Rastsvetaeva, R. K.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20221201</creationdate><title>New Data on the Structure of Eudialyte-Group Mineral Sergevanite. Ordered and Disordered Structures of Minerals with Complex Composition</title><author>Rastsvetaeva, R. K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c246t-72910f3d31a51abb53a242d69d7df76a605ff1d0a25fbd1be44c16ecaa5fa4823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Composition</topic><topic>Crystal structure</topic><topic>Crystallography and Scattering Methods</topic><topic>Electron probe microanalysis</topic><topic>Minerals</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Reliability aspects</topic><topic>Structure of Inorganic Compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rastsvetaeva, R. K.</creatorcontrib><collection>CrossRef</collection><jtitle>Crystallography reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rastsvetaeva, R. K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New Data on the Structure of Eudialyte-Group Mineral Sergevanite. Ordered and Disordered Structures of Minerals with Complex Composition</atitle><jtitle>Crystallography reports</jtitle><stitle>Crystallogr. Rep</stitle><date>2022-12-01</date><risdate>2022</risdate><volume>67</volume><issue>7</issue><spage>1105</spage><epage>1113</epage><pages>1105-1113</pages><issn>1063-7745</issn><eissn>1562-689X</eissn><abstract>The structure of a new eudialyte-group mineral sergevanite has been investigated using X-ray diffraction (XRD) analysis and electron probe microanalysis. The parameters of an elementary trigonal cell of the mineral are found to be
a
= 14.2179(1) Å,
c
= 30.3492(3) Å, and
V
= 5313.1(7) Å
3
; sp. gr.
R
3. The crystal structure is refined to the final reliability factor
R
= 2.74% in the anisotropic approximation of atomic displacements using 4870 reflections with
F
> 3σ(
F
). The idealized formula of the mineral (
Z
= 3) is (Na
12
KH
3
O)[Ca
3
(Mn
2
Ca)](Na
2
Fe)Zr
3
Ti
0.5
Si
25.5
O
72
OH
2
⋅(H
2
O)
2
. The approaches to study the structural features of eudialyte-group minerals are discussed. In the structures of these minerals, the complex composition is ordered over statistically occupied sites in correspondence with the crystallochemical properties of atoms (ions) and formation conditions, both thermodynamic (temperature and pressure) and kinetic (process rate and duration). This information is absent for disordered topological structures with mixed unsplit sites.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1063774522070471</doi><tpages>9</tpages></addata></record> |
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| language | eng |
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| source | Springer Link |
| subjects | Composition Crystal structure Crystallography and Scattering Methods Electron probe microanalysis Minerals Physics Physics and Astronomy Reliability aspects Structure of Inorganic Compounds |
| title | New Data on the Structure of Eudialyte-Group Mineral Sergevanite. Ordered and Disordered Structures of Minerals with Complex Composition |
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