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seidozerite

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Journal Article
Published: 28 December 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (6): 1123–1136.
...Atali A. Agakhanov; Maxwell C. Day; Elena Sokolova; Vladimir Yu. Karpenko; Frank C. Hawthorne; Leonid A. Pautov; Igor V. Pekov; Anatoly V. Kasatkin; Vitalia A. Agakhanova Abstract Nacareniobsite-(Y), ideally Na 3 Ca 3 YNb(Si 2 O 7 ) 2 OF 3 , is a new rinkite-group (seidozerite-supergroup) TS-block...
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Journal Article
Published: 19 August 2022
The Canadian Mineralogist (2022) 60 (4): 699–712.
...Maxwell C. Day; Elena Sokolova; Frank C. Hawthorne; László Horváth; Elsa Pfenninger-Horváth ABSTRACT Bortolanite (IMA 2021–040a), ideally Ca 2 (Ca 1.5 Zr 0.5 )Na(NaCa)Ti(Si 2 O 7 ) 2 (FO)F 2 , is a rinkite-group (seidozerite supergroup) TS-block mineral from Poços de Caldas massif, Minas Gerais...
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Journal Article
Published: 27 May 2022
The Canadian Mineralogist (2022) 60 (3): 513–531.
...Elena Sokolova; Maxwell C. Day; Frank C. Hawthorne; Fernando Cámara ABSTRACT Selivanovaite, ideally NaFe 3+ Ti 4 (Si 2 O 7 ) 2 O 4 (H 2 O) 4 , is a murmanite-group (seidozerite supergroup) TS-block mineral from the Lovozero massif, Kola Peninsula, Russia. The crystal structure of selivanovaite...
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Journal Article
Published: 19 April 2022
The Canadian Mineralogist (2022) 60 (3): 493–512.
...Elena Sokolova; Maxwell C. Day; Frank C. Hawthorne; Fernando Cámara ABSTRACT Shkatulkalite, ideally Na 5 TiNb 2 (Si 2 O 7 ) 2 O 3 F(H 2 O) 7 , is a lamprophyllite-group (seidozerite supergroup) TS-block mineral from the Lovozero massif, Kola Peninsula, Russia. The crystal structure of shkatulkalite...
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Journal Article
Published: 14 June 2021
The Canadian Mineralogist (2021) 59 (2): 365–379.
...Elena Sokolova; Maxwell C. Day; Frank C. Hawthorne; Atali A. Agakhanov; Fernando Cámara; Yulia A. Uvarova; Giancarlo Della Ventura ABSTRACT The crystal structure of perraultite from the Oktyabr'skii massif, Donetsk region, Ukraine (bafertisite group, seidozerite supergroup), ideally NaBaMn 4 Ti 2...
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Journal Article
Published: 16 January 2020
The Canadian Mineralogist (2020) 58 (1): 19–43.
...Elena Sokolova; Frank C. Hawthorne; Fernando Cámara; Giancarlo Della Ventura; Yulia A. Uvarova ABSTRACT The crystal structures of the three perraultite-type minerals (bafertisite group, seidozerite supergroup)—jinshajiangite from Norra Kärr, Sweden, ideally NaBaFe 2+ 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2...
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Journal Article
Published: 01 April 2019
Mineralogical Magazine (2019) 83 (2): 199–207.
...Elena Sokolova; Frank C. Hawthorne Abstract The crystal structure of a murmanite-related mineral (MRM) of the murmanite group (seidozerite supergroup), ideally Na 2 CaTi 4 (Si 2 O 7 ) 2 O 4 (H 2 O) 4 , from Mt. Pyalkimpor, the Lovozero alkaline massif, Kola Peninsula, Russia, was refined in space...
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Journal Article
Published: 29 June 2018
Mineralogical Magazine (2019) 83 (3): 373–380.
...Leonid A. Pautov; Atali A. Agakhanov; Vladimir Yu. Karpenko; Yulia A. Uvarova; Elena Sokolova; Frank C. Hawthorne Abstract Rinkite-(Y), ideally Na 2 Ca 4 YTi(Si 2 O 7 ) 2 OF 3 , is a new rinkite-group (seidozerite-supergroup) TS-block mineral from the Darai-Pioz alkaline massif, Tian-Shan mountains...
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Journal Article
Published: 28 February 2018
Mineralogical Magazine (2018) 82 (4): 787–807.
...Elena Sokolova; Frank C. Hawthorne ABSTRACT The crystal structure of vigrishinite, ideally NaZnTi 4 (Si 2 O 7 ) 2 O 3 (OH)(H 2 O) 4 , a murmanite-group mineral of the seidozerite supergroup from the type locality, Mt. Malyi Punkaruaiv, Lovozero alkaline massif, Kola Peninsula, Russia, was refined...
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Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1457–1484.
...E. Sokolova; F. Cámara Abstract Here we report a nomenclature and classification for the seidozerite-supergroup minerals. The TS (Titanium-Silicate) block is the main structural unit in all seidozerite-supergroup structures; it consists of a central O (O = Octahedral) sheet and two adjacent H (H...
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Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1533–1550.
...E. Sokolova; A. Genovese; A. Falqui; F.C. Hawthorne; F. Cámara Abstract The crystal structure and chemical formula of zvyaginite, ideally Na 2 ZnTiNb 2 (Si 2 O 7 ) 2 O 2 (OH) 2 (H 2 O) 4 , a lamprophyllite-group mineral of the seidozerite supergroup from the type locality, Mt. Malyi Punkaruaiv...
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Journal Article
Published: 01 November 2004
European Journal of Mineralogy (2004) 16 (6): 971–978.
...Marco BELLEZZA; Marco FRANZINI; Alf O. LARSEN; Stefano MERLINO; Natale PERCHIAZZI Abstract Grenmarite, a new mineral of the götzenite-seidozerite-rosenbuschite group, was found in a syenite pegmatite at the eastern side of the island Vesle Arøya in the Langesundsfjord district, Norway. Grenmarite...
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Journal Article
Published: 01 December 2001
The Canadian Mineralogist (2001) 39 (6): 1665–1673.
.... This model has been refined by the distance least-squares technique (DLS program) and tested against calculated powder-diffraction and SAED patterns. The structure of bornemanite can be described as a [001] stacking of heterophyllosilicate layers, where lomonosovite and seidozerite contents alternate...
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Journal Article
Published: 01 October 2003
The Canadian Mineralogist (2003) 41 (5): 1203–1224.
... properties of the various polyhedra. Crystal-structure refinements (X-ray diffraction) have been done on five specimens of the rosenbuschite group: götzenite, hainite, kochite (a new member of the group), rosenbuschite and seidozerite. Detailed models for their site occupancies are derived by fitting...
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Journal Article
Published: 30 January 2018
The Canadian Mineralogist (2018) 56 (1): 95–99.
...). Ericssonite has two polytypes, of monoclinic symmetry and orthorhombic symmetry. The crystal chemistry of the ericssonite-group minerals and bafertisite- and lamprophyllite-group minerals (seidozerite supergroup) is compared. Ericssonite and ferroericssonite do not contain the combination of features...
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Journal Article
Published: 01 October 2008
The Canadian Mineralogist (2008) 46 (5): 1333–1342.
... as the Ti disilicate minerals of Group I: götzenite, hainite, seidozerite, grenmarite, mosandrite, rinkite, kochite and rosenbuschite. In the minerals of Group I, (Ti + Nb) equals 1 apfu and occurs in the O sheet of the TS block. Nacareniobsite-(Ce) is the only disilicate mineral with the TS block in which...
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Journal Article
Published: 01 June 2000
The Canadian Mineralogist (2000) 38 (3): 649–656.
... relatively weak and resulting in the pronounced {001} cleavage observed in the mineral. Yoshimuraite is a member of the BM n heterophyllosilicate polysomatic series [specifically, the BM 0 poly-some series], which includes phases such as astrophyllite, bafertisite and seidozerite. Abstract Nous avons résolu...
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IDEAL STRUCTURAL FORMULAE AND UNIT-CELL PARAMETERS FOR RINKITE-GROUP (SEIDO...
Published: 28 December 2023
TABLE 2. IDEAL STRUCTURAL FORMULAE AND UNIT-CELL PARAMETERS FOR RINKITE-GROUP (SEIDOZERITE-SUPERGROUP) MINERALS WITH THE STRUCTURE TYPE B1(RG)*, Ti(+Nb) = 1 apfu
Journal Article
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 525–535.
... of the murmanite group (seidozerite supergroup). It is triclinic, P 1 ‾ , a = 8.673(5), b = 8.694(3), c = 12.21(1) Å, α = 92.70(5), β = 108.46(7), γ = 105.40(4)°, V = 833(1) Å 3 , Z = 2 (from single-crystal diffraction data); a = 8.673(5), b = 8.694(1), c = 12.21(1) Å, α = 92.70(5), β = 108.52(1), γ = 105.42(1...
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IDEAL STRUCTURAL FORMULAE OF THE MURMANITE-GROUP MINERALS* (<span class="search-highlight">SEIDOZERITE</span> SUP...
Published: 27 May 2022
TABLE 1. IDEAL STRUCTURAL FORMULAE OF THE MURMANITE-GROUP MINERALS* (SEIDOZERITE SUPERGROUP),Ti (+ Mn + Mg) = 4 apfu .