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 Available to Purchase

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
View PDF for article title, <span class="search-highlight">Nafertisite</span>, 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
Purchase
Add to Citation Manager for <span class="search-highlight">Nafertisite</span>, 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
Includes: Supplemental Content
Journal Article

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

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)
View PDF for article title, CARYOCHROITE, A NEW HETEROPHYLLOSILICATE MINERAL SPECIES RELATED TO <span class="search-highlight">NAFERTISITE</span>, FROM THE LOVOZERO MASSIF, KOLA PENINSULA, RUSSIA
Purchase
Add to Citation Manager for CARYOCHROITE, A NEW HETEROPHYLLOSILICATE MINERAL SPECIES RELATED TO <span class="search-highlight">NAFERTISITE</span>, FROM THE LOVOZERO MASSIF, KOLA PENINSULA, RUSSIA
Journal Article

Nafertisite, a layer titanosilicate member of a polysomatic series including mica Available to Purchase

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.
View PDF for article title, <span class="search-highlight">Nafertisite</span>, a layer titanosilicate member of a polysomatic series including mica
Purchase
Add to Citation Manager for <span class="search-highlight">Nafertisite</span>, a layer titanosilicate member of a polysomatic series including mica
Image
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 Mountain, Lovozero, Kola (5).

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

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 Mössbauer spectrum of nafertisite fitted with one QSD-site for Fe2+.

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

Published: 01 October 2014
Fig. 1 The Mössbauer spectrum of nafertisite fitted with one QSD-site for Fe 2+ .
Image
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, (H2O) groups (W1) are shown as larger red circles and I-block cations are shown as green circles. Fine dashed black lines outline the unit cell which is halved along the c- and b-axes in (b).

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

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

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

Published: 01 October 2014
Fig. 2 FTIR, (a) thin film and (b) single crystal, and Raman (c) spectra of nafertisite.
Image
Bafertisite-like (B), astrophyllite-like (A) and nafertisite-like (N) HOH layers.

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

Published: 01 January 2002
Figure 18. Bafertisite-like (B), astrophyllite-like (A) and nafertisite-like (N) HOH layers.
Image
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-XDP-D bridges; (c) a possible short-range-order (SRO) arrangement of K and Na atoms at the A(1) and A(2) sites, respectively. Si tetrahedra are orange, Ti-dominant D and Fe2+-dominant M octahedra are yellow and green, Na [A(2), B sites], K [A(1) site] and (Rb,Cs) [C site] atoms are shown as medium blue and large green and yellow spheres, XDP (=F) anions and OH groups are shown as small yellow and red spheres; an H2O group [W site] is shown as a medium red sphere, H atoms are shown as small grey spheres, hydrogen bonds are shown as dashed black lines; the unit cell is shown with thin black lines.

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

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
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.

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

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 nafertisite. Pairs of Ti polyhedra (dark grey) share a corner across the interlayer space, thus forming [100] channels. Circles as in Figure 4.

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

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 .
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 Available to Purchase

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)
View PDF for article title, 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
Purchase
Add to Citation Manager for 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
Image
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.

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

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 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 in (c).

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

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 1T23T4 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 and topological repeat unit of the ribbon.

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

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 Available to Purchase

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
... , A.P. , Soboleva , 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...
FIGURES
View PDF for article title, Kupletskite polytypes from the Lovozero massif, Kola Peninsula, Russia : Kupletskite-1A and kupletskite-Ma2b2c
Purchase
Add to Citation Manager for Kupletskite polytypes from the Lovozero massif, Kola Peninsula, Russia : Kupletskite-1A and kupletskite-Ma2b2c
Journal Article

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

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)
View PDF for article title, Polysomatic Aspects of Microporous Minerals – Heterophyllosilicates, Palysepioles and Rhodesite-Related Structures
Purchase
Add to Citation Manager for Polysomatic Aspects of Microporous Minerals – Heterophyllosilicates, Palysepioles and Rhodesite-Related Structures
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 Available to Purchase

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
..., amphibole, triple-chain and mica groups. Minerals of the second type are the TS-block 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...
FIGURES | View All (20)
View PDF for article title, 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
Purchase
Add to Citation Manager for 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
Journal Article

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

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
... 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); Nèmeth, 2004 ]. A part of the Mnn...
FIGURES | View All (10)
View PDF for article title, Nechelyustovite, a new heterophyllosilicate mineral, and new data on bykovaite: a comparative TEM study
Purchase
Add to Citation Manager for Nechelyustovite, a new heterophyllosilicate mineral, and new data on bykovaite: a comparative TEM study
Journal Article

New minerals and nomenclature modifications approved in 2014 Available to Purchase

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
... 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 of the mineral is given as Na 3 Fe 10 2 + Ti 2 (Si 6...
View PDF for article title, New minerals and nomenclature modifications approved in 2014
Purchase
Add to Citation Manager for New minerals and nomenclature modifications approved in 2014