| Reference Type | Journal (article/letter/editorial) |
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| Title | Vitusite β an apatite derivative structure |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Finch, Adrian A. | Author |
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| Fletcher, James G. | Author |
| Year | 1992 (June) | Volume | 56 |
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| Issue | 383 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_56/56-383-235.pdf+ |
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| DOI | doi:10.1180/minmag.1992.056.383.10Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1816 | Long-form Identifier | mindat:1:5:1816:0 |
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| GUID | 0 |
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| Full Reference | Finch, Adrian A., Fletcher, James G. (1992) Vitusite β an apatite derivative structure. Mineralogical Magazine, 56 (383) 235-239 doi:10.1180/minmag.1992.056.383.10 |
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| Plain Text | Finch, Adrian A., Fletcher, James G. (1992) Vitusite β an apatite derivative structure. Mineralogical Magazine, 56 (383) 235-239 doi:10.1180/minmag.1992.056.383.10 |
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| In | (1992, June) Mineralogical Magazine Vol. 56 (383) Mineralogical Society |
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| Abstract/Notes | AbstractThe uncommon sodium rare-earth phosphate mineral vitusite-(Ce) (Na3RE(PO4)2) can be considered as the extreme product of sodium and rare-earth substitution in the apatite structure. Lesser amounts of substitution provide sodium and rare-earth-bearing apatites up to about 80 mol.% exchange; beyond this point vitusite is the stable phase. The structure of vitusite, determined previously from a synthetic analogue, can also be considered as a derivative from apatite, but with cations exchanged on sites normally occupied by anions. Vitusite can therefore be considered as a sodium- and rare-earthrich apatite end-member, with a distinct, but apatite-derived, structure, formed in highly persodic and high rare-earth environments. From an examination of the literature on diffusion in apatite, vitusite in principle could be formed from apatite sensu stricto by subsolidus diffusion in response to late-stage Naand RE-rich hydrothermal fluids. |
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