1-20 OF 88 RESULTS FOR

nafertisite

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article

Nafertisite, Na 3 Fe 2+ 10 Ti 2 (Si 6 O 17 ) 2 O 2 (OH) 6 F(H 2 O) 2 , from Mt. Kukisvumchorr, Khibiny alkaline massif, Kola peninsula, Russia: Refinement of the crystal structure and revision of the chemical formula

Fernando Cámara, Elena Sokolova, Yassir A. Abdu, Frank C. Hawthorne
Published: 01 October 2014
European Journal of Mineralogy (2014) 26 (5): 689–700.
DOI: https://doi.org/10.1127/0935-1221/2014/0026-2401
...Fernando Cámara; Elena Sokolova; Yassir A. Abdu; Frank C. Hawthorne Abstract The crystal structure of nafertisite, Na 3 Fe 2+ 10 Ti 2 (Si 6 O 17 ) 2 O 2 (OH) 6 F(H 2 O) 2 , from Mt. Kukisvumchorr, Khibiny alkaline massif, Kola peninsula, Russia, a 5.358(1), b 16.204(3), c 21.976(4) Å, β 94.91(1...
FIGURES
PDF
Purchase
Add to Citation Manager
Includes: Supplemental Content
Journal Article

CARYOCHROITE, A NEW HETEROPHYLLOSILICATE MINERAL SPECIES RELATED TO NAFERTISITE, FROM THE LOVOZERO MASSIF, KOLA PENINSULA, RUSSIA

Pavel M. Kartashov, Giovanni Ferraris, Svetlana V. Soboleva, Nikita V. Chukanov
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1331–1339.
DOI: https://doi.org/10.2113/gscanmin.44.6.1331
... parameters, X-ray powder-diffraction pattern, chemical composition and infrared spectrum suggest that caryochroite is the second heterophyllosilicate based on a nafertisite-type HOH layer. We evaluate the role of caryochroite and associated titano- and zirconosilicates as catalysts of the in situ formation...
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

Nafertisite, a layer titanosilicate member of a polysomatic series including mica

Giovanni Ferraris, Gabriella Ivaldi, Alexander P. Khomyakov, Svetlana V. Soboleva, Elena Belluso, Alessandro Pavese
Published: 01 April 1996
European Journal of Mineralogy (1996) 8 (2): 241–249.
PDF
Purchase
Add to Citation Manager
Image
Infrared (IR) spectra of caryochroite (1); <span class="search-highlight">nafertisite</span> from the Nanna pegma...

Infrared (IR) spectra of caryochroite (1); nafertisite from the Nanna pegma...

Published: 01 December 2006
F ig . 4. Infrared (IR) spectra of caryochroite (1); nafertisite from the Nanna pegmatite, Igaliko, Greenland (2); holo-type nafertisite from Kukisvumchorr Mt., Khibiny, Kola (3); sepiolite with Mg:Fe = 1.48 from Tyrol, Austria (4); Fe-dominant (almost Mg-free) analogue of sepiolite from Flora
Image
The structure of <span class="search-highlight">nafertisite</span> highlighting the ( a ) H - and O -sheets p...

The structure of nafertisite highlighting the ( a ) H - and O -sheets p...

Published: 26 February 2020
Fig. 59. The structure of nafertisite highlighting the ( a ) H - and O -sheets projected onto (001) and the ( b ) HOH-block and I -block viewed along the a -axis. The H atoms associated with (OH) − groups linked to octahedra of the O-sheet are shown as small red circles, (H 2 O) groups (W1
Image
The Mössbauer spectrum of <span class="search-highlight">nafertisite</span> fitted with one QSD-site for Fe 2+ .

The Mössbauer spectrum of nafertisite fitted with one QSD-site for Fe 2+ .

Published: 01 October 2014
Fig. 1 The Mössbauer spectrum of nafertisite fitted with one QSD-site for Fe 2+ .
Image
The crystal structure of <span class="search-highlight">nafertisite</span>: (a) linkage of H and O sheets in the ...

The crystal structure of nafertisite: (a) linkage of H and O sheets in the ...

Published: 01 October 2014
Fig. 3 The crystal structure of nafertisite: (a) linkage of H and O sheets in the HOH layer; (b) general view of the structure: self-linkage of adjacent HOH layers via D-X D P -D bridges; (c) a possible short-range-order (SRO) arrangement of K and Na atoms at the A (1) and A (2) sites
Image
FTIR, (a) thin film and (b) single crystal, and Raman (c) spectra of nafert...

FTIR, (a) thin film and (b) single crystal, and Raman (c) spectra of nafert...

Published: 01 October 2014
Fig. 2 FTIR, (a) thin film and (b) single crystal, and Raman (c) spectra of nafertisite.
Image
Clinographic view along [010] of the crystal structure of <span class="search-highlight">nafertisite</span> (atom...

Clinographic view along [010] of the crystal structure of nafertisite (atom...

Published: 01 December 2006
F ig . 1. Clinographic view along [010] of the crystal structure of nafertisite (atom coordinates from Ferraris et al . 1996 ). Yellow tetrahedra and red octahedra form the H sheets; the O sheets consist of blue octahedra.
Image
View along [100] of the crystal structure of <span class="search-highlight">nafertisite</span>. Pairs of Ti polyh...

View along [100] of the crystal structure of nafertisite. Pairs of Ti polyh...

Published: 01 January 2005
Figure 5. View along [100] of the crystal structure of nafertisite. Pairs of Ti polyhedra (dark grey) share a corner across the interlayer space, thus forming [100] channels. Circles as in Figure 4 .
Image
Bafertisite-like (B), astrophyllite-like (A) and <span class="search-highlight">nafertisite</span>-like (N) HOH l...

Bafertisite-like (B), astrophyllite-like (A) and nafertisite-like (N) HOH l...

Published: 01 January 2002
Figure 18. Bafertisite-like (B), astrophyllite-like (A) and nafertisite-like (N) HOH layers.
Journal Article

Veblenite, K 2 □ 2 Na( Fe 5 2 + Fe 4 3 + Mn 7 2 + □)Nb 3 Ti(Si 2 O 7 ) 2 (Si 8 O 22 ) 2 O 6 (OH) 10 (H 2 O) 3, a new mineral from Seal Lake, Newfoundland and Labrador: mineral description, crystal structure, and a new veblenite Si 8 O 22 ribbon

F. Cámara, E. Sokolova, F. C. Hawthorne, R. Rowe, J. D. Grice, K. T. Tait
Published: 01 October 2013
Mineralogical Magazine (2013) 77 (7): 2955–2974.
DOI: https://doi.org/10.1180/minmag.2013.077.7.06
... is occupied mainly by K; the A (2) site is partly occupied by K and H 2 O groups, the B site is partly occupied by Na. The crystal structure of veblenite is related to several HOH structures: jinshanjiangite, niobophyllite (astrophyllite group) and nafertisite. The mineral is named in honour of David R...
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Image
Different types of H sheets which are obtained by periodically introducing ...

Different types of H sheets which are obtained by periodically introducing ...

Published: 01 January 2002
Figure 17. Different types of H sheets which are obtained by periodically introducing Ti-octahedra (light gray) in a tetrahedral T sheet: bafertisite-like (B), astrophyllite-like (A) and nafertisite-like (N) H sheets.
Image
TOT layer of a phyllosilicate (a) as transformed, by periodic substitution...

TOT layer of a phyllosilicate (a) as transformed, by periodic substitution...

Published: 01 January 2005
Figure 3. TOT layer of a phyllosilicate (a) as transformed, by periodic substitution of rows of octahedra (dark grey) for tetrahedra, to HOH heterophyllosilicate layers typical of bafertisite (b), astrophyllite (c) and nafertisite (d). B bafertisite-type and M mica-type modules are shown
Image
( a , b , c ) Tetrahedral representations of the 1 T 2 3 T 4 ribbon ...

( a , b , c ) Tetrahedral representations of the 1 T 2 3 T 4 ribbon ...

Published: 26 February 2020
Fig. 58. ( a , b , c ) Tetrahedral representations of the 1 T 2 3 T 4 ribbon in nafertisite projected ( a ) onto (010), ( b ) onto (001), ( c ) along the a -axis, ( d ) a ball-and-stick and ( e ) a graphical representation of the ribbon. Dashed black lines outline the geometrical
Journal Article

Kupletskite polytypes from the Lovozero massif, Kola Peninsula, Russia : Kupletskite-1A and kupletskite-Ma2b2c

Paula C. PIILONEN, Andrew M. McDONALD, André E. LALONDE
Published: 01 September 2001
European Journal of Mineralogy (2001) 13 (5): 973–984.
DOI: https://doi.org/10.1127/0935-1221/2001/0013-0973
... , S.V. , Belluso , E. , Pavese , A. ( 1996 ): Nafertisite, a layer titanosilicate member of a poly somatic series including mica . Eur. J. Mineral ., 8 , 241 – 249 . Guinier , A. , Bokij , G.B. , Boll-Dornberger , K. , Cowley , J.M. , Ďurovič , S...
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Polysomatic Aspects of Microporous Minerals – Heterophyllosilicates, Palysepioles and Rhodesite-Related Structures

Giovanni Ferraris, Angela Gula
Published: 01 January 2005
Reviews in Mineralogy and Geochemistry (2005) 57 (1): 69–104.
DOI: https://doi.org/10.2138/rmg.2005.57.3
...Figure 5. View along [100] of the crystal structure of nafertisite. Pairs of Ti polyhedra (dark grey) share a corner across the interlayer space, thus forming [100] channels. Circles as in Figure 4 . ...
FIGURES | View All (20)
PDF
Purchase
Add to Citation Manager
Journal Article

Bond topology and structure-generating functions: graph-theoretic prediction of chemical composition and structure in polysomatic T–O–T (biopyribole) and H–O–H structures

F. C. Hawthorne
Published: 01 October 2012
Mineralogical Magazine (2012) 76 (5): 1053–1080.
DOI: https://doi.org/10.1180/minmag.2012.076.5.13
... minerals, the astrophyllite-group minerals and nafertisite. These constitute the polysomatic series of Thomson ( 1978 ) and the merotype series of Makovicky ( 1997 ) (see also Ferraris, 1997 ; Ferraris and Gula, 2005 ). The structures that I will consider here contain a single distinct T–O–T or H–O–H...
FIGURES | View All (20)
PDF
Purchase
Add to Citation Manager
Journal Article

Nechelyustovite, a new heterophyllosilicate mineral, and new data on bykovaite: a comparative TEM study

Pèter Nèmeth, Alexander P. Khomyakov, Giovanni Ferraris, Yuriy P. Menshikov
Published: 01 January 2009
European Journal of Mineralogy (2009) 21 (1): 251–260.
DOI: https://doi.org/10.1127/0935-1221/2009/0021-1864
..., have been either identified as new mineral species [seidite-(Ce) (M31; Khomyakov et al ., 1998 ; Ferraris et al ., 2003 ); nafertisite (M71; Khomyakov et al ., 1995 ; Ferraris et al ., 1996 ); bykovaite (M72; Khomyakov et al ., 2005 )] or better characterized [M51, M55 and M75 (shkatulkalite...
FIGURES | View All (10)
PDF
Purchase
Add to Citation Manager
Journal Article

New minerals and nomenclature modifications approved in 2014

P. A. Williams, F. Hatert, M. Pasero, S. J. Mills
Published: 01 October 2014
Mineralogical Magazine (2014) 78 (5): 1241–1248.
DOI: https://doi.org/10.1180/minmag.2014.078.5.10
... analogue of bussyite-(Ce) Monoclinic: C 2; structure determined a = 11.600(3), b = 13.856(3), c = 16.516(4) Å, β = 95.84(1)° A paper on the mineral nafertisite has been published recently [ European Journal of Mineralogy , 26 , 689–700 (2014)] in which the ideal chemical formula...
PDF
Purchase
Add to Citation Manager