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The relative stability of stoichiometrically related natural and synthetic double salts

  • Claude H. Yoder EMAIL logo , Naomi R. Gotlieb and Anne L. Rowand
Published/Copyright: April 2, 2015
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American Mineralogist
From the journal American Mineralogist Volume 95 Issue 1

Abstract

The so-called “simple salt approximation” is used to calculate the lattice energies of double salts (compounds that contain two or more different types of ions). Enthalpies and Gibbs energies of dissolution based upon these lattice energies are then used to estimate the solubilities of hydroxyl sulfates, hydroxyl carbonates, hydroxyl nitrates, hydroxyl chlorides, and hydroxyl phosphates. Based on the solubilities, general rules are postulated for the relative stabilities of double salts that have the same cations and anions, but in different stoichiometries. These observations provide an understanding of the relative stabilities of many minerals and guidance for the design of synthetic methods, and have been used to prepare likasite [Cu3NO3(OH)5·2H2O], the zinc analog [Zn3SO4(OH)4] of antlerite [Cu3SO4(OH)4], and Cu5(SO4)2(OH)6·4H2O.

Keywords: Thermodynamics; solubility; stoichiometry; lattice energy
Received: 2009-3-16
Accepted: 2009-8-3
Published Online: 2015-4-2
Published in Print: 2010-1-1

© 2015 by Walter de Gruyter Berlin/Boston

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  1. Metamorphic ultrahigh-pressure tourmaline: Structure, chemistry, and correlations to P-T conditions
  2. Slavikite—Revision of chemical composition and crystal structure
  3. Anisotropic elasticity of jarosite: A high-P synchrotron XRD study
  4. Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California: A detailed investigation
  5. Characterization of Al-Si ordering state in an alkali feldspar using atom location by channeling-enhanced microanalysis (ALCHEMI)
  6. The relative stability of stoichiometrically related natural and synthetic double salts
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  8. Structure refinement of a synthetic knorringite, Mg3(Cr0.8Mg0.1Si0.1)2(SiO4)3
  9. A mineral tracer toward high-resolution dust provenance on the Chinese Loess Plateau: SEM, TEM, and sulfur isotopes of sulfate inclusions in biotite
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  13. Texture analysis of a turbostratically disordered Ca-montmorillonite
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  18. Stishovite single-crystal growth and application to silicon self-diffusion measurements
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  20. The crystal-structure and vacancy distribution in 6C pyrrhotite
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  22. A new Al-rich hydroxylian pseudorutile from Kalimantan, Indonesia
  23. Lapeyreite, Cu3O[AsO3(OH)]2·0.75H2O, a new mineral: Its description and crystal structure
  24. High P-T phase relation of magnesian (Mg0.7Fe0.3) staurolite compositon in the system FeO-MgO-Al2O3-SiO2-H2O: Implications for prograde high-pressure history of ultrahigh-temperature metamorphic rocks
  25. Letter: Hibonite-(Fe), (Fe,Mg)Al12O19, a new alteration mineral from the Allende meteorite
  26. Letter: Ion irradiation of the TiO2 polymorphs and cassiterite
  27. Letter: Corundum + orthopyroxene ± spinel intergrowths in an ultrahigh-temperature Al-Mg granulite from the Southern Marginal Zone, Limpopo Belt, South Africa
  28. Letter: Fe3+ spin transition in CaFe2O4 at high pressure
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https://doi.org/10.2138/am.2010.3244
Keywords for this article
Thermodynamics; solubility; stoichiometry; lattice energy

Articles in the same Issue

  1. Metamorphic ultrahigh-pressure tourmaline: Structure, chemistry, and correlations to P-T conditions
  2. Slavikite—Revision of chemical composition and crystal structure
  3. Anisotropic elasticity of jarosite: A high-P synchrotron XRD study
  4. Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California: A detailed investigation
  5. Characterization of Al-Si ordering state in an alkali feldspar using atom location by channeling-enhanced microanalysis (ALCHEMI)
  6. The relative stability of stoichiometrically related natural and synthetic double salts
  7. Free energy of formation of zircon based on solubility measurements at high temperature and pressure
  8. Structure refinement of a synthetic knorringite, Mg3(Cr0.8Mg0.1Si0.1)2(SiO4)3
  9. A mineral tracer toward high-resolution dust provenance on the Chinese Loess Plateau: SEM, TEM, and sulfur isotopes of sulfate inclusions in biotite
  10. High-resolution TEM study of jimthompsonite, chesterite, and chain-width disorder in Archean ultramafic rocks from Isua, West Greenland
  11. Retrograde hydration sequence in disordered Mg amphiboles: A TEM investigation
  12. Can electron energy-loss spectroscopy (EELS) be used to quantify hydrogen in minerals from the O K edge?
  13. Texture analysis of a turbostratically disordered Ca-montmorillonite
  14. Packing systematics of the silica polymorphs: The role played by O-O nonbonded interactions in the compression of quartz
  15. Calorimetric study of the surface energy of forsterite
  16. Crystallographic texture of the magnetite-hematite transformation: Evidence for topotactic relationships in natural samples from Quadrilátero Ferrífero, Brazil
  17. Semi-ordered crystalline structure of the Santa Olalla vermiculite inferred from X-ray powder diffraction
  18. Stishovite single-crystal growth and application to silicon self-diffusion measurements
  19. Density of dry peridotite magma at high pressure using an X-ray absorption method
  20. The crystal-structure and vacancy distribution in 6C pyrrhotite
  21. Thermal modification of hematite-ilmenite intergrowths in the Ecstall pluton, British Columbia, Canada
  22. A new Al-rich hydroxylian pseudorutile from Kalimantan, Indonesia
  23. Lapeyreite, Cu3O[AsO3(OH)]2·0.75H2O, a new mineral: Its description and crystal structure
  24. High P-T phase relation of magnesian (Mg0.7Fe0.3) staurolite compositon in the system FeO-MgO-Al2O3-SiO2-H2O: Implications for prograde high-pressure history of ultrahigh-temperature metamorphic rocks
  25. Letter: Hibonite-(Fe), (Fe,Mg)Al12O19, a new alteration mineral from the Allende meteorite
  26. Letter: Ion irradiation of the TiO2 polymorphs and cassiterite
  27. Letter: Corundum + orthopyroxene ± spinel intergrowths in an ultrahigh-temperature Al-Mg granulite from the Southern Marginal Zone, Limpopo Belt, South Africa
  28. Letter: Fe3+ spin transition in CaFe2O4 at high pressure
  29. Density functional theory and Monte Carlo study of octahedral cation ordering of Al/Fe/Mg cations in dioctahedral 2:1 phyllosilicates
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