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rinkite

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The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1 T to innelite-1 A

E. Sokolova, F. Cámara
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1457–1484.
DOI: https://doi.org/10.1180/minmag.2017.081.010
... are divided into four groups based on the content of Ti and topology and stereochemistry of the TS block: in rinkite, bafertisite, lamprophyllite and murmanite groups, Ti (+ Nb + Zr + Fe 3 + + Mg + Mn) = 1, 2, 3 and 4 apfu (atoms per formula unit), respectively. All TS-block structures consist either solely...
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Two Rinkite-Group (Seidozerite-Supergroup) Minerals: Nacareniobsite-(Y), a New Mineral from the Darai-Pioz Alkaline Massif, Tajikistan, and Crystal-Structure Refinement of Nacareniobsite-(Ce)

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
Published: 25 October 2023
The Canadian Journal of Mineralogy and Petrology (2023) 2300029.
DOI: https://doi.org/10.3749/2300029
...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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Bortolanite, Ca 2 (Ca 1.5 Zr 0.5 )Na(NaCa)Ti(Si 2 O 7 ) 2 (FO)F 2 , a New Rinkite-Group (Seidozerite Supergroup) TS-Block Mineral from the Bortolan Quarry, Poços de Caldas Massif, Minas Gerais, Brazil

Maxwell C. Day, Elena Sokolova, Frank C. Hawthorne, László Horváth, Elsa Pfenninger-Horváth
Published: 19 August 2022
The Canadian Mineralogist (2022) 60 (4): 699–712.
DOI: https://doi.org/10.3749/canmin.2200001
...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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Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization

Bin Wu, Han-Jie Wen, Christophe Bonnetti, Ru-Cheng Wang, Jin-Hui Yang, Fu-Yuan Wu
Published: 30 November 2019
The Canadian Mineralogist (2019) 57 (6): 903–924.
DOI: https://doi.org/10.3749/canmin.1900042
...Bin Wu; Han-Jie Wen; Christophe Bonnetti; Ru-Cheng Wang; Jin-Hui Yang; Fu-Yuan Wu Abstract The nepheline syenite pegmatite in the Saima alkaline complex in northeastern China is characterized by REE mineralization, mainly rinkite-(Ce) and associated alteration minerals. As the most abundant REE...
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Rinkite-(Y), Na 2 Ca 4 YTi(Si 2 O 7 ) 2 OF 3 , a seidozerite-supergroup TS-block mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: Description and crystal structure

Leonid A. Pautov, Atali A. Agakhanov, Vladimir Yu. Karpenko, Yulia A. Uvarova, Elena Sokolova, Frank C. Hawthorne
Published: 29 June 2018
Mineralogical Magazine (2019) 83 (3): 373–380.
DOI: https://doi.org/10.1180/mgm.2018.122
...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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Rinkite, cerianite-(Ce), and hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence, compositional data and petrogenetic significance

A. Chakrabarty, R. H. Mitchell, M. Ren, A. K. Sen, K. L. Pruseth
Published: 01 December 2013
Mineralogical Magazine (2013) 77 (8): 3137–3153.
DOI: https://doi.org/10.1180/minmag.2013.077.8.08
... are rinkite, cerianite-(Ce), and cerian thorite. Rinkite, formed at the ortho-magmatic stage predates other REE -rich phases and is the most Nd-F-rich rinkite (6.62–7.45 wt.% Nd 2 O 3 ; 8.75–9.74 wt.% F) with very high Nd/Ce (>2.46) ratios reported to date. Hydrothermal cerianite-(Ce), formed...
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From structure topology to chemical composition. XII. Titanium silicates: the crystal chemistry of rinkite, Na 2 Ca 4 REE Ti(Si 2 O 7 ) 2 OF 3

F. Cámara, E. Sokolova, F. C. Hawthorne
Published: 01 December 2011
Mineralogical Magazine (2011) 75 (6): 2755–2774.
DOI: https://doi.org/10.1180/minmag.2011.075.6.2755
...F. Cámara; E. Sokolova; F. C. Hawthorne Abstract Rinkite, ideally Na 2 Ca 4 REE Ti(Si 2 O 7 ) 2 OF 3 , is a common mineral in alkaline and peralkaline rocks. The crystal structures of five rinkite crystals from three alkaline massifs: Ilimaussaq, Greenland; Khibiny, Kola Peninsula, Russia and Mont...
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MOSANDRITE: STRUCTURAL AND CRYSTAL-CHEMICAL RELATIONSHIPS WITH RINKITE

Marco Bellezza, Stefano Merlino, Natale Perchiazzi
Published: 01 August 2009
The Canadian Mineralogist (2009) 47 (4): 897–908.
DOI: https://doi.org/10.3749/canmin.47.4.897
...Marco Bellezza; Stefano Merlino; Natale Perchiazzi Abstract Mosandrite, Ti(□,Ca,Na) 3 (Ca,REE) 4 (Si 2 O 7 ) 2 [H 2 O,OH,F] 4 ·~1 H 2 O, is a distinct mineral species in the rinkite group. Chemical (EPM data), TG–DSC studies and structural investigations indicate that mosandrite presents...
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X -ray crystallography of rinkite

Glauco Gottardi
Published: 01 October 1966
American Mineralogist (1966) 51 (9-10): 1529–1535.
...Glauco Gottardi Abstract The name rinkite was proposed by Lorenzen (1884) for a mineral found at Kangerdluarssuk, Greenland. From the beginning, the symmetry of rinkite was very controversial. Lorenzen (1884) described it as monoclinic with Copyright © 1966 by the Mineralogical Society of America...
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Identity of calcium rinkite and götzenite

TH. G. Sahama
Published: 01 February 1960
American Mineralogist (1960) 45 (1-2): 221–224.
...TH. G. Sahama Abstract From a lava of the extinct volcano Mt. Shaheru in the Belgian Congo, a triclinic. F-bearing Na-Ca-Ti-silicate was described by Sahama and Hytönen (1957 a ) and named götzenite. It was realized that the mineral was related to calcium rinkite that occurs in the lovchorrite...
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Backscattered images showing the petrographic relationship between <span class="search-highlight">rinkite</span>-...

Backscattered images showing the petrographic relationship between rinkite-...

Published: 30 November 2019
Fig. 8. Backscattered images showing the petrographic relationship between rinkite-(Ce) and secondary alteration minerals in the nepheline syenite pegmatite. (a) Rinkite-(Ce) grain with slight alteration. (b) Local enlargement of (a) showing that rinkite-(Ce) is altered tonatrolite, K-feldspar
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Backscattered images showing the alteration mineral assemblages associated ...

Backscattered images showing the alteration mineral assemblages associated ...

Published: 30 November 2019
Fig. 10. Backscattered images showing the alteration mineral assemblages associated with pseudomorph I and II after rinkite-(Ce) in the nepheline syenite pegmatite. (a) Rinkite-(Ce) and nepheline grains are hydrothermally altered by natrolite and fluorite to form pseudomorph I. (b) Pseudomorph I
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Backscattered images showing the petrographic relationship between <span class="search-highlight">rinkite</span>-...

Backscattered images showing the petrographic relationship between rinkite-...

Published: 30 November 2019
Fig. 4. Backscattered images showing the petrographic relationship between rinkite-(Ce), calcite, and associated rock-forming minerals in the nepheline syenite pegmatite. (a) Exsolution of worm-shaped Na-Ca-REE-bearing strontianite and ancylite-(Ce) from calcite. (b) Elongated lamellae
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Comparison of <span class="search-highlight">rinkite</span>-(Y) and <span class="search-highlight">rinkite</span>-(Ce) * . Mineral <span class="search-highlight">Rinkite</span>-(Y)...

Comparison of rinkite-(Y) and rinkite-(Ce) * . Mineral Rinkite-(Y)...

Published: 29 June 2018
Table 9. Comparison of rinkite-(Y) and rinkite-(Ce) * . Mineral Rinkite-(Y) Rinkite-(Ce) Ideal formula Na 2 Ca 4 YTi(Si 2 O 7 ) 2 OF 3 Na 2 Ca 4 REE Ti(Si 2 O 7 ) 2 OF 3 REE  = Ce Space group P 2 1 / c P 2 1 / c a (Å) 7.3934 7.4132–7.4414 b 5.6347
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(a) Raman spectrum (λ = 514 nm) of <span class="search-highlight">rinkite</span>-(Ce) from the nepheline syenite ...

(a) Raman spectrum (λ = 514 nm) of rinkite-(Ce) from the nepheline syenite ...

Published: 30 November 2019
Fig. 6. (a) Raman spectrum (λ = 514 nm) of rinkite-(Ce) from the nepheline syenite pegmatite in the Saima complex. The spectrum of rinkite-(Ce) from the Kipawa alkaline complex, Québec, Canada, was chosen for comparison (λ = 514 nm, sourced from the database in rruff.info, RRUFF ID: R050229). (b
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( a ) Ternary diagram showing compositional variation in terms of Ca-( REE ...

( a ) Ternary diagram showing compositional variation in terms of Ca-( REE ...

Published: 01 December 2013
F ig . 4. ( a ) Ternary diagram showing compositional variation in terms of Ca-( REE +Y)-Na (a.p.f.u.) for rinkite. Note that the investigated rinkite is relatively enriched in Na compared to other reported occurrences. ( b ) Ternary diagram showing variation in REE (a.p.f.u.) of rinkite
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The IR-spectrum of <span class="search-highlight">rinkite</span>-(Y): the region from 400 to1800 cm –1 was recor...

The IR-spectrum of rinkite-(Y): the region from 400 to1800 cm –1 was recor...

Published: 29 June 2018
Fig. 2. The IR-spectrum of rinkite-(Y): the region from 400 to1800 cm –1 was recorded from a KBr pellet and the region from 400 to 1800 cm –1 , from finely-ground rinkite-(Y) dispersed in Nujol; the region from ~3000 to 1750 cm –1 is omitted as it contains the major peaks from Nujol in which
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<span class="search-highlight">Rinkite</span> group: linkage 1 of H and O sheets in <span class="search-highlight">rinkite</span>-(Ce) ( a ), only the ...

Rinkite group: linkage 1 of H and O sheets in rinkite-(Ce) ( a ), only the ...

Published: 01 December 2017
Fig. 3. Rinkite group: linkage 1 of H and O sheets in rinkite-(Ce) ( a ), only the Si 2 O 7 groups of the H sheets are shown, M H and A P polyhedra are omitted for clarity, positions of the Si 2 O 7 groups of the lower H sheet are shown by dashed lines; the basic crystal structures
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“Octahedral” layer in <span class="search-highlight">rinkite</span>-group minerals, as seen down c *. A two-dime...

“Octahedral” layer in rinkite-group minerals, as seen down c *. A two-dime...

Published: 01 February 2010
F ig . 6. “Octahedral” layer in rinkite-group minerals, as seen down c *. A two-dimensional net is indicated (dashed lines). Sites M 2 and M 3 are occupied by Na and Ca in rinkite ( Galli and Alberti, 1971 ) and nacareniobsite-(Ce) ( Sokolova & Hawthorne 2008 ), whereas they are mostly
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(a) The nepheline syenite pegmatite cross-cuts the main body of nepheline s...

(a) The nepheline syenite pegmatite cross-cuts the main body of nepheline s...

Published: 30 November 2019
aegirine), and biotite. (d) Radial aggregate of rinkite-(Ce) crystals coexisting with microcline. (e) Aggregate of wedge-shaped, hydrothermally altered rinkite-(Ce) with calcite and clinopyroxene. Abbreviations: Bt = biotite, Cal = calcite, Cpx = clinopyroxene, Mc = microcline, Ne = nepheline, Rkt