| Reference Type | Journal (article/letter/editorial) |
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| Title | Corkite from Aggeneys, Bushmanland, South Africa |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | de Bruiyn, H. | Author |
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| Van Der Westhuizen, W. A. | Author |
| Beukes, G. J. | Author |
| Meyer, T. Q. | Author |
| Year | 1990 (December) | Volume | 54 |
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| Issue | 377 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_54/54-377-603.pdf+ |
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| DOI | doi:10.1180/minmag.1990.054.377.12Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1667 | Long-form Identifier | mindat:1:5:1667:8 |
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| GUID | 0 |
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| Full Reference | de Bruiyn, H., Van Der Westhuizen, W. A., Beukes, G. J., Meyer, T. Q. (1990) Corkite from Aggeneys, Bushmanland, South Africa. Mineralogical Magazine, 54 (377) 603-608 doi:10.1180/minmag.1990.054.377.12 |
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| Plain Text | de Bruiyn, H., Van Der Westhuizen, W. A., Beukes, G. J., Meyer, T. Q. (1990) Corkite from Aggeneys, Bushmanland, South Africa. Mineralogical Magazine, 54 (377) 603-608 doi:10.1180/minmag.1990.054.377.12 |
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| In | (1990, December) Mineralogical Magazine Vol. 54 (377) Mineralogical Society |
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| Abstract/Notes | AbstractCorkite associated with plumbojarosite and goethite occurs in gossan and iron-formation at Black Mountain and Broken Hill, Aggeneys. Electron microprobe analyses indicate that there are two groups of corkite present in the area; one with high Cu and low (PO4)3− and the other with low Cu and high (PO and the other with low Cu and high (PO4)3− contents. This can be explained in terms of the general formula contents. This can be explained in terms of the general formula AB2(XO4)2(OH)6, where the incorporation of divalent ions in the B site is accompanied by the exchange of trivalent anions by divalent ones to retain charge balance. Complete solid-solution is inferred between (SO4)2−and (PO4)3− end members, indicating that the jarosite and beudantite groups form part of the same solid-solution series. The distribution of Zn in corkite also reflects the regional distribution of zinc grades in the area, becoming more zinc-rich from west to east. New X-ray diffraction parameters are also presented which update existing data. |
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