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mereiterite

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Journal Article
Published: 01 June 1995
European Journal of Mineralogy (1995) 7 (3): 559–566.
Journal Article
Published: 01 October 2001
American Mineralogist (2001) 86 (10): 1282–1292.
...(SO 4 ) 2 ·4H 2 O, and mereiterite, K 2 Fe(SO 4 ) 2 ·4H 2 O, have been determined at low temperatures. The leonite structure (space group C 2 /m at room temperature) is composed of sulfate tetrahedra and MeO 6 octahedra which are interconnected by K cations and hydrogen bonds of the H 2 O molecules...
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(a) Peak centre of an infrared SO 4  bending mode of <span class="search-highlight">mereiterite</span> at ∼738 cm...
Published: 01 November 2002
Fig. 7. (a) Peak centre of an infrared SO 4 bending mode of mereiterite at ∼738 cm −1 and (b) a lattice parameter of mereiterite as a function of temperature ( Hertweck et al ., 2002 ). Vertical lines indicate the transition temperature of the C 2/ m ⟷ P 2 1 / a phase transition
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Examples of autocorrelation analyses of Raman and FTIR absorption spectra o...
Published: 01 November 2002
2/ m ⟷ P 2 1 / a phase transition for mereiterite. Variation of Δ Corr is plotted as a function of temperature calculated from (a) IR spectra of mereiterite in the range between 900 and 1300 cm −1 , (b) Raman spectra of mereiterite in the range between 1095.3 and 1159.8 cm −1 shift, (c) IR
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The thermal evolution of (δ ΔCorr) 2  and (δFWHM) 2  for (a) autocorrelated...
Published: 01 November 2002
Fig. 9. The thermal evolution of (δ ΔCorr) 2 and (δFWHM) 2 for (a) autocorrelated IR spectra of mereiterite in the range between 900 and 1300 cm −1 , (b) autocorrelated Raman spectra of mereiterite in the range between 1095.3 and 1159.8 cm −1 shift, (c) autocorrelated IR spectra of leonite
Journal Article
Published: 01 November 2002
European Journal of Mineralogy (2002) 14 (6): 1009–1017.
...Fig. 7. (a) Peak centre of an infrared SO 4 bending mode of mereiterite at ∼738 cm −1 and (b) a lattice parameter of mereiterite as a function of temperature ( Hertweck et al ., 2002 ). Vertical lines indicate the transition temperature of the C 2/ m ⟷ P 2 1 / a phase transition...
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Full Width Half Maximum and peak centre of the  ν  −1  sulphate modes in Ra...
Published: 01 November 2002
Fig. 3. Full Width Half Maximum and peak centre of the ν −1 sulphate modes in Raman spectra as a function of temperature in (a) leonite, (b) “Mn-leonite”, and (c) mereiterite. Vertical dashed lines indicate the transition temperatures of the C 2/ m ⟷ I 2/ a ⟷ P 2 1 / a phase transitions
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The structures of (a) jurbanite; (b) xitieshanite; (c) blödite, shown as [...
Published: 01 January 2000
Figure 17. The structures of (a) jurbanite; (b) xitieshanite; (c) blödite, shown as [Mg(H 2 O) 4 (SO 4 ) 2 ] clusters and Na atoms; (d,e) blödite as a framework of (MgØ 6 ) octahedra, (NaØ 6 ) octahedra, and (SO 4 ) tetrahedra; (f) mereiterite.
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The crystal structures of the leonite-type compounds in a projection along ...
Published: 01 October 2001
spheres) and H 2 O molecules (H atoms as small spheres). Dashed lines represent H···O distances between 1.7 and 2.5 Å. ( a ) C 2/ m crystal structure of leonite, “Mn-leonite” and mereiterite at 293 K. The ordered sulfate groups are plotted as tetrahedra, the disordered sulfate groups are plotted
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FTIR absorption spectra of the sulphate stretching modes in (a) leonite, (b...
Published: 01 November 2002
Fig. 5. FTIR absorption spectra of the sulphate stretching modes in (a) leonite, (b) “Mn-leonite”, and (c) mereiterite. Dashed lines indicate the appearance and disappearance of vibrational modes at the I 2/ a ⟷ P 2 1 / a phase transitions in leonite and “Mn-leonite”. Temperature steps
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FTIR absorption spectra of the O-H stretching modes in (a) leonite, (b) “Mn...
Published: 01 November 2002
Fig. 6. FTIR absorption spectra of the O-H stretching modes in (a) leonite, (b) “Mn-leonite”, and (c) mereiterite. Dashed lines indicate the appearance of additional vibrational modes at the I 2/ a ⟷ P 2 1 / a phase transitions in leonite and “Mn-leonite”. Temperature steps
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Raman spectra of the sulphate  ν  3  and  ν  4  modes in leonite-type compo...
Published: 01 November 2002
as indicated in Fig. 3 . (c) Raman spectra of mereiterite in the temperature range between 310 and 160 K measured in temperature steps of 5 K (310-285 K), of 2 K (285-279 K), of 1 K (279-270 K), of 2 K (270-260 K), of 5 K (260-220 K), and of 10 K (220-160 K). Phase transition at 277 K. The intensity
Journal Article
Published: 01 June 2015
European Journal of Mineralogy (2015) 27 (3): 427–432.
... display . Shape Software , 521 Hidden Valley Road, Kingsport, TN 37663 USA . Ferraris , G. & Ivaldi , G. ( 1988 ): Bond valence vs. bond length in O ⋯ O hydrogen bonds . Acta Cryst ., B44 , 341 – 44 . Giester , G. & Rieck , B. ( 1995 ): Mereiterite, K2Fe[SO4]2...
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FTIR absorption spectra of the sulphate bending modes of the leonite-type c...
Published: 01 November 2002
(206-198 K), of 2 K (198-190 K), of 5 K (190-180 K), of 2 K (177-173 K), of 1 K (173-170 K), of 2 K (170-168 K), of 5 K (165-120 K), and of 10 K (120-90 K). (c) Spectra of mereiterite are measured in temperature steps of 5 K (310-285 K), of 2 K (285-279 K), of 1 K (279-272 K), of 2 K (272-250 K), of 5
Journal Article
Published: 01 August 2019
Mineralogical Magazine (2019) 83 (4): 551–559.
... ; Giester and Rieck, 2014 ; Kolitsch et al. , 2014 a , b ; Kolitsch et al. , 2015 ). Several new mineral species have been described by our research group, i.e. mereiterite, K 2 Fe 2+ (SO 4 ) 2 ·4H 2 O (Giester and Rieck, 1995 ), niedermayrite, Cu 4 Cd(SO 4 ) 2 (OH) 6 ·4H 2 O (Giester et al...
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Journal Article
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1403–1429.
... ], leonite, {K 2 }[Mg (SO 4 ) 2 (H 2 O) 4 ], mereiterite, {K 2 }[Fe(SO 4 ) 2 (H 2 O) 4 ], and römerite, {Fe 2+ (H 2 O) 6 }[Fe 2+ (SO 4 ) 2 (H 2 O) 4 ]. The effective charge of the structural unit is (2 + 0.2 × 8) − = 3.6 − , and the number of O atoms in the structural unit is 12; hence the average...
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Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1307–1324.
..., jurbanite, kainite, kalistrontite, kieserite, klyuchevskite, koktaite, konyaite, kröhnkite, lanarkite, langbeinite, langite, lautenthalite, lecontite, leonite, linarite, lishizhenite, lonecreekite, magnesioaubertite, magnesiocopiapite, manganolangbeinite, mascagnite, melanterite, mendozite, mereiterite...
Journal Article
Published: 01 February 2015
American Mineralogist (2015) 100 (2-3): 615–627.
... 0.25 (SO 4 ) 2 −2436.65 Ferrinatrite anh. Na 3 Fe 3+ (SO 4 ) 3 −3455.26 Mereiterite anh. K 2 Fe 2+ (SO 4 ) 2 −2406.17 Letovicite (NH 4 ) 3 H(SO 4 ) 2 −2213.51 Syngenite anh. K 2 Ca(SO 4 ) 2 −2891.21 Misenite K 8 H 6 (SO 4 ) 7 −8393.46 Mohrite anh. (NH 4 ) 2 Fe 2+ (SO 4 ) 2...
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Journal Article
Published: 01 April 2015
American Mineralogist (2015) 100 (4): 696–713.
... ], changoite, {Na 2 }[Zn(SO 4 ) 2 (H 2 O) 4 ], mereiterite, {K 2 }[Fe(SO 4 ) 2 (H 2 O) 4 ], and roemerite, {Fe 2+ (H 2 O) 6 }[Fe 2+ (SO 4 ) 2 (H 2 O) 4 ] ( Hawthorne et al. 2000a ). Above, we calculated a range in Lewis basicity for this structural unit (in bloedite): 0.12–0.19 v.u. Figure 13 Variation...
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Journal Article
Published: 01 January 2000
Reviews in Mineralogy and Geochemistry (2000) 40 (1): 1–112.
...Figure 17. The structures of (a) jurbanite; (b) xitieshanite; (c) blödite, shown as [Mg(H 2 O) 4 (SO 4 ) 2 ] clusters and Na atoms; (d,e) blödite as a framework of (MgØ 6 ) octahedra, (NaØ 6 ) octahedra, and (SO 4 ) tetrahedra; (f) mereiterite. ...
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