| Reference Type | Journal (article/letter/editorial) |
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| Title | Cu and Zn ordering in aurichalcite |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Charnock, J. M. | Author |
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| Schofield, P. F. | Author |
| Henderson, C. M. B. | Author |
| Cressey, G. | Author |
| Cressey, B. A. | Author |
| Year | 1996 (December) | Volume | 60 |
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| Issue | 403 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_60/60-403-887.pdf |
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| DOI | doi:10.1180/minmag.1996.060.403.04Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 118 | Long-form Identifier | mindat:1:5:118:2 |
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| GUID | 0 |
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| Full Reference | Charnock, J. M., Schofield, P. F., Henderson, C. M. B., Cressey, G., Cressey, B. A. (1996) Cu and Zn ordering in aurichalcite. Mineralogical Magazine, 60 (403) 887-896 doi:10.1180/minmag.1996.060.403.04 |
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| Plain Text | Charnock, J. M., Schofield, P. F., Henderson, C. M. B., Cressey, G., Cressey, B. A. (1996) Cu and Zn ordering in aurichalcite. Mineralogical Magazine, 60 (403) 887-896 doi:10.1180/minmag.1996.060.403.04 |
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| In | (1996, December) Mineralogical Magazine Vol. 60 (403) Mineralogical Society |
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| Abstract/Notes | AbstractThe advantages of X-ray absorption spectroscopy have been utilized to assess the Cu and Zn ordering in aurichalcite, (Cu5−xZnx)(OH)6(CO3)2. We have examined one hydrozincite sample and three aurichalcite samples in which the Cu:Zn ratios are in the range 1:3 to 2:3. Copper 2p XAS confirms that there is no monovalent copper in aurichalcite and that in each sample the copper might be distributed across more than one metal site. EXAFS, at the Cu and Zn K-edges, shows that the copper atoms preferentially enter the Jahn-Teller elongated, octahedral (M2) and trigonal bipyramidal (M4) sites, with the zinc atoms entering the more regular octahedral (M1) and tetrahedral (M3) site. Substantial solid solution towards the zinc rich region is facilitated by the substitution of copper by zinc on the M2 and M4 sites. This information, not easily obtained by X-ray diffraction, substantially enhances the understanding of the structure of aurichalcite. |
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