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natrochalcite

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Journal Article
Published: 01 January 2009
European Journal of Mineralogy (2009) 21 (1): 65–78.
...Robert Krickl; Manfred Wildner Abstract Four new representatives of the natrochalcite structure type s.s. – A + Me 2+ 2 ( X 6+ O 4 ) 2 [(H 2 O)(OH)], monoclinic, space group C 2/ m , Z = 2 – with A + = Na or K, Me 2+ = Co or Ni, and X 6 + = S or Se, were structurally characterised in Part I...
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Journal Article
Published: 01 December 2007
European Journal of Mineralogy (2007) 19 (6): 805–816.
...Robert Krickl; Manfred Wildner Abstract Four new representatives of the natrochalcite structure type s.s . – A + Me 2 2+ ( X 6+ O 4 ) 2 [(H 2 O)(OH)], monoclinic, space group C 2/ m , Z = 2 – with Me 2+ = Co or Ni were synthesised under low-hydrothermal conditions and their crystal structures were...
FIGURES | View All (7)
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(a) The [ M ( T Ø 4 ) 4 ] sheet in vanthoffite; (b) fitting together of the...
Published: 01 January 2000
Figure 30. (a) The [ M ( T Ø 4 ) 4 ] sheet in vanthoffite; (b) fitting together of the corrugated sheets in vanthoffite; (c) the [ M ( T O 4 ) 2 ] sheet in yavapaite; (d) the structure of yavapaite projected down [010]; (e) the [ M ( T Ø 4 ) 2 Ø 2 ] sheet in natrochalcite; (f) linkage of sheets
Journal Article
Published: 01 August 2014
European Journal of Mineralogy (2014) 26 (4): 597–604.
... between these layers is provided by K + cations and H-bonds. Kaliochalcite is named as the potassium analogue of natrochalcite. In the Yadovitaya fumarole, the major high-temperature sublimate minerals are euchlorine, fedotovite, piypite, chalcocyanite, alumoklyuchevskite, langbeinite, steklite...
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Infrared (IR) spectra of holotype kaliochalcite (1) and <span class="search-highlight">natrochalcite</span> from ...
Published: 01 August 2014
Fig. 5 Infrared (IR) spectra of holotype kaliochalcite (1) and natrochalcite from its type locality, Chuquicamata Mine, Calama, Antofagasta Region, Chile (2).
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Comparison of  Me –O bond lengths in corresponding <span class="search-highlight">natrochalcite</span>-type compo...
Published: 01 December 2007
Fig. 3. Comparison of Me –O bond lengths in corresponding natrochalcite-type compounds of Co, Ni, and Cu. Data of the Cu compounds are taken from Giester & Zemann (1987) .
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KBr powder spectra of <span class="search-highlight">natrochalcite</span>-type NaCo 2 (SO 4 ) 2 [(H 2 O)(OH)] and...
Published: 01 January 2009
Fig. 2. KBr powder spectra of natrochalcite-type NaCo 2 (SO 4 ) 2 [(H 2 O)(OH)] and NaNi 2 (SO 4 ) 2 [(H 2 O)(OH)] in the range 4500–400 cm −1 . The spectrum of Na–Ni–S is slightly offset for clarity. Note the different absorbance and wavenumber scales changing at 1400 cm −1 .
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Polarised single-crystal spectra of <span class="search-highlight">natrochalcite</span>-type NaCo 2 (SO 4 ) 2 [(H...
Published: 01 January 2009
Fig. 3. Polarised single-crystal spectra of natrochalcite-type NaCo 2 (SO 4 ) 2 [(H 2 O)(OH)] in the range 3800–550 cm −1 , (001) plate (thickness 4 μm); see Fig. 1b for structural reference. The spectrum // a is slightly offset for clarity. ★: truncated bands exceeding the instrumental
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Polarised single-crystal spectra of <span class="search-highlight">natrochalcite</span>-type NaCo 2 (SO 4 ) 2 [(H...
Published: 01 January 2009
Fig. 4. Polarised single-crystal spectra of natrochalcite-type NaCo 2 (SO 4 ) 2 [(H 2 O)(OH)] in the range 3800–550 cm −1 , (010) plate (thickness 45 μm); see Fig. 1a for structural reference. The spectrum //−10° is slightly offset for clarity. ★: truncated bands exceeding the instrumental
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Polarised single-crystal spectra of <span class="search-highlight">natrochalcite</span>-type NaNi 2 (SO 4 ) 2 [(H...
Published: 01 January 2009
Fig. 5. Polarised single-crystal spectra of natrochalcite-type NaNi 2 (SO 4 ) 2 [(H 2 O)(OH)] in the range 3800–550 cm −1 , (001) plate (thickness 3 μm); see Fig. 1b for structural reference. The spectrum // a is slightly offset for clarity. ★: truncated bands exceeding the instrumental
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Polarised single-crystal spectra of <span class="search-highlight">natrochalcite</span>-type NaCo 2 (SeO 4 ) 2 [(...
Published: 01 January 2009
Fig. 6. Polarised single-crystal spectra of natrochalcite-type NaCo 2 (SeO 4 ) 2 [(H 2 O)(OH)] in the range 3800–550 cm −1 , (11̅0) plate (thickness 12 μm); see Fig. 1c for structural reference. The spectrum //−30° is slightly offset for clarity. ★: truncated bands exceeding the instrumental
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Polarised single-crystal spectra of <span class="search-highlight">natrochalcite</span>-type KCo 2 (SeO 4 ) 2 [(H...
Published: 01 January 2009
Fig. 7. Polarised single-crystal spectra of natrochalcite-type KCo 2 (SeO 4 ) 2 [(H 2 O)(OH)] in the range 3800–550 cm −1 , (1̅02) plate (thickness 12 μm); see Fig. 1d for structural reference. The spectrum // a * is slightly offset for clarity. ★: truncated bands exceeding the instrumental
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Polarised optical absorption spectra of <span class="search-highlight">natrochalcite</span>-type NaCo 2 (SO 4 ) 2...
Published: 01 January 2009
Fig. 8. Polarised optical absorption spectra of natrochalcite-type NaCo 2 (SO 4 ) 2 [(H 2 O)(OH)] [bottom; left absorption scale; (001) and (010) plates, thicknesses 45 and 104 μm, respectively] and NaCo 2 (SeO 4 ) 2 [(H 2 O)(OH)] [top; right absorption scale; (11̅0) plate, thickness 12 μm
Journal Article
Published: 01 April 2015
Mineralogical Magazine (2015) 79 (2): 365–376.
... not higher than 150°C. It is associated with belloite, avdoninite, chlorothionite, sanguite, eriochalcite, mitscherlichite, sylvite, carnallite and kainite at Glavnaya Tenoritovaya and with belloite, avdoninite, chlorothionite, eriochalcite, atacamite, halite, kröhnkite, natrochalcite, gypsum and antlerite...
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Journal Article
Published: 01 December 1962
The Canadian Mineralogist (1962) 7 (2): 272–277.
.... Study of a specimen in the Royal Ontario Museum shows that leightonite is orthorhombic, a = 11.67, b = 16.52, c = 7.492 A, a:b:c = 0.7064:1:0.4535. Space group is Fmmm; unit-cell content 4[K 2 C 2 Cu(SO 4 ) 4 .2H 2 O]. Gypsum, quartz, atacamite, bloedite, and natrochalcite occur associated...
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General projection of the crystal structure of kaliochalcite along  b  (SO ...
Published: 01 August 2014
Fig. 6 General projection of the crystal structure of kaliochalcite along b (SO 4 tetrahedra = grey; CuO 6 octahedra = black; K atoms = grey balls) (left) and general view of the natrochalcite-type {Cu 2 (SO 4 ) 2 [(OH)(H 2 O]} − layers in kaliochalcite (right).
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Hydrogen bonding systems and their local environments in the investigated n...
Published: 01 January 2009
Fig. 1. Hydrogen bonding systems and their local environments in the investigated natrochalcite-type AMe 2 ( X O 4 ) 2 [(OH)(H 2 O)] compounds, viewed in projections along the light propagation directions in the polarised spectroscopic measurements. Respective cell axis plots (scaled to 25
Journal Article
Published: 01 August 2011
European Journal of Mineralogy (2011) 23 (4): 675–681.
... as natrochalcite, NaCu 2 (SO 4 ) 2 (OH)·H 2 O ( Rumanova & Volodina, 1958 ), and natrochalcite-type compounds including sulphates, selenates, chromates and molybdates with general formula AMe 2 ( X O 4 ) 2 [(H 2 O)(OH)] where A = Na, K, Rb, Ag, Tl, NH 4 , Me = Cu, Co, Ni, Zn, X = S, Se, Mo, Cr...
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Journal Article
Published: 21 October 2022
The Canadian Mineralogist (2022) 60 (5): 815–824.
... on [ M (OH)( T O 4 )] sheets. These structures differ in the linkages between the sheets. In the tsumcorite-group minerals and synthetic isostructural compounds ( e.g ., Krause et al . 1998 , Mihajlovic & Effenberger 2004 ) and the natrochalcite-type compounds ( e.g ., Giester & Zemann 1987...
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Correlation of selected geometrical parameters of the { Me  2 ( X O 4 ) 2 [...
Published: 01 December 2007
Fig. 6. Correlation of selected geometrical parameters of the { Me 2 ( X O 4 ) 2 [(OH)(H 2 O)]} − sheets with the ratios between ionic radii of A + , Me 2+ , and X 6+ cations in the natrochalcite structure type. Data are calculated from the structural studies listed in Table 1 (X-ray