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ferricopiapite

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Journal Article
Published: 01 October 2006
The Canadian Mineralogist (2006) 44 (5): 1227–1237.
...Juraj Majzlan; Boris Kiefer Abstract We determined the positions of all atoms, including the light ones (D, H), in the crystal structure of synthetic ferricopiapite Fe 14/3 (SO 4 ) 6 (OD,OH) 2 (D 2 O,H 2 O) 20 , using X-ray synchrotron [λ 0.64905(1) Å] and neutron (λ2.0787 Å) powder diffraction...
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Journal Article
Published: 01 March 2006
European Journal of Mineralogy (2006) 18 (2): 175–186.
...Juraj MAJZLAN; Alexandra NAVROTSKY; R. Blaine McCLESKEY; Charles N. ALPERS Abstract Enthalpies of formation of ferricopiapite [nominally Fe 4.67 (SO 4 ) 6 (OH) 2 (H 2 O) 20 ], coquimbite [Fe 2 (SO 4 ) 3 (H 2 O) 9 ], rhomboclase [(H 3 O)Fe(SO 4 ) 2 (H 2 O) 3 ], and Fe 2 (SO 4 ) 3 (H 2 O) 5 were...
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The hydration process of M-Fe 2 (SO 4 ) 3  as recorded by time-resolved XRD...
Published: 01 November 2009
with the initials of corresponding mineral names and diffraction index: F = Ferricopiapite; R = Rhomboclase; K = Kornelite; P = Paracoquimbite. Note that the broad peak at 7° is produced by the scattering from Kapton capillary and the chamber wall. ( a ) M-Fe 2 (SO 4 ) 3 transformed to ferricopiapite
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Synchrotron X-ray-diffraction pattern (taken at room temperature) of the mi...
Published: 01 October 2006
F ig . 2. Synchrotron X-ray-diffraction pattern (taken at room temperature) of the mixture of ferricopiapite and rhomboclase, with the calculated and difference plot from the Rietveld refinement. The upper row of tickmarks shows the calculated position of rhomboclase peaks, the lower row
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The Raman spectra of rhomboclase at 10.5 mW (a), coquimbite at 10.5 mW (b),...
Published: 15 June 2015
F ig . 1. The Raman spectra of rhomboclase at 10.5 mW (a), coquimbite at 10.5 mW (b), mikasaite at 14 mW (c), copiapite at 7.4 mW (d), ferricopiapite at 7.4 mW (e), intermediate phases between copiapite (ferricopiapite) and mikasaite (f, g), and mikasaite at 18.4 mW (h).
Journal Article
Published: 01 February 2012
American Mineralogist (2012) 97 (2-3): 378–383.
...Wenqian Xu; John B. Parise Abstract Evolution of concentrated Fe 2 (SO 4 ) 3 solution, a process including both evaporation of the solution and post-evaporation aging of the precipitates, was studied at 2 and 50 °C under controlled relative humidity (RH). At 50 °C and 42–47% RH, ferricopiapite [Fe...
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Journal Article
Published: 01 November 2009
American Mineralogist (2009) 94 (11-12): 1629–1637.
... with the initials of corresponding mineral names and diffraction index: F = Ferricopiapite; R = Rhomboclase; K = Kornelite; P = Paracoquimbite. Note that the broad peak at 7° is produced by the scattering from Kapton capillary and the chamber wall. ( a ) M-Fe 2 (SO 4 ) 3 transformed to ferricopiapite...
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XRD data showing the hydration process of M-Fe 2 (SO 4 ) 3  at 53% RH. Seve...
Published: 01 November 2009
F igure 5. XRD data showing the hydration process of M-Fe 2 (SO 4 ) 3 at 53% RH. Several peaks were marked with the initials of corresponding mineral names, either followed by the index numbers in parentheses or not. F = Ferricopiapite; R = Rhomboclase; K = Kornelite; P = Paracoquimbite
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A schematic representation of the structure of <span class="search-highlight">ferricopiapite</span>. The infinite...
Published: 01 October 2006
F ig . 1. A schematic representation of the structure of ferricopiapite. The infinite chains are almost perpendicular to the plane of the projection. The sulfate tetrahedra are light grey and the Fe(O,OH,OH 2 ) 6 octahedra are medium grey. The [ A (H 2 O) 6 ] sites are shown as dark octahedra
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STATISTICS OF RIETVELD REFINEMENT AND STRUCTURAL DATA FOR <span class="search-highlight">FERRICOPIAPITE</span>, F...
Published: 01 October 2006
TABLE 1. STATISTICS OF RIETVELD REFINEMENT AND STRUCTURAL DATA FOR FERRICOPIAPITE, Fe 14/3 (SO 4 ) 6 (OD) 2 (D 2 O) 20 , AND RHOMBOCLASE, (D s O 2 )Fe(SO 4 ) 2 (D 2 O 2 ) 2
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Neutron-diffraction pattern (taken at room temperature) of <span class="search-highlight">ferricopiapite</span> w...
Published: 01 October 2006
F ig . 3. Neutron-diffraction pattern (taken at room temperature) of ferricopiapite with the calculated and difference plot from the Rietveld refinement.
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BOND DISTANCES FOR HEAVY ATOMS IN <span class="search-highlight">FERRICOPIAPITE</span>* AND MAGNESIOCOPIAPITE §
Published: 01 October 2006
TABLE 4. BOND DISTANCES FOR HEAVY ATOMS IN FERRICOPIAPITE* AND MAGNESIOCOPIAPITE §
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HYDROGEN-BONDING SCHEME IN <span class="search-highlight">FERRICOPIAPITE</span>*
Published: 01 October 2006
TABLE 6. HYDROGEN-BONDING SCHEME IN FERRICOPIAPITE*
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FRACTIONAL POSITIONS AND DISPLACEMENT FACTORS FOR ATOMS IN THE FERRICOPIAPI...
Published: 01 October 2006
TABLE 2. FRACTIONAL POSITIONS AND DISPLACEMENT FACTORS FOR ATOMS IN THE FERRICOPIAPITE STRUCTURE AT ROOM TEMPERATURE
Journal Article
Published: 03 April 2023
American Mineralogist (2023) 108 (4): 637–652.
... minerals have been identified (e.g., ferricopiapite) or inferred (e.g., rhomboclase). * E-mail: lmchenry@uwm.edu . Manuscript handled by Janice L. Bishop 24 10 2021 1 4 2022 14 4 2022 Copyright © 2023 by the Mineralogical Society of America 2023 Mineralogical Society...
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VNIR reflectance spectra of sample RTNP07. The spectra compare to those of ...
Published: 01 July 2014
Figure 9 VNIR reflectance spectra of sample RTNP07. The spectra compare to those of gypsum (JB556) and ferricopiapite (JB620). (Color online.)
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Scanning electron micrograph showing magnesiocopiapite (plates 10–50 μm in ...
Published: 01 January 2000
Figure 7. Scanning electron micrograph showing magnesiocopiapite (plates 10–50 μm in diameter) and Al-bearing ferricopiapite (spheroidal rosettes). Reproduced with permission from Robinson (1999) .
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Stoichiometric coefficients (ν i ’s in  equations 1  and  2 ) for component...
Published: 01 March 2006
Table 13. Stoichiometric coefficients (ν i ’s in equations 1 and 2 ) for components for estimation of entropy for Fe III sulfates. The formulae of rhomboclase, ferricopiapite, and coquimbite are given in Table 8 .
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Fractional atomic coordinates and isotropic displacement parameters (in Å ...
Published: 01 March 2006
Table 3. Fractional atomic coordinates and isotropic displacement parameters (in Å 2 ) for ferricopiapite. Occupancy of the sites is 1 unless noted otherwise. Space group and lattice parameters are given in Table 1 .
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( a ) Mid-infrared thermal emissivity spectra of sulfates with chains of SO...
Published: 01 January 2015
Figure 3 ( a ) Mid-infrared thermal emissivity spectra of sulfates with chains of SO 4 tetrahedra and MX 6 octahedra, including amarantite, zincobotryogen, butlerite, parabutlerite, copiapite/ferricopiapite, magnesiocopiapite, and sideronatrite. In addition, the crystal structure diagrams