| Reference Type | Journal (article/letter/editorial) |
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| Title | Alkaline-earth-rare-earth silicate and germanate apatites |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Cockbain, A. G. | Author |
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| Smith, G. V. | Author |
| Year | 1967 (September) | Volume | 36 |
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| Issue | 279 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_36/36-279-411.pdf+ |
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| DOI | doi:10.1180/minmag.1967.036.279.11Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6092 | Long-form Identifier | mindat:1:5:6092:3 |
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| GUID | 0 |
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| Full Reference | Cockbain, A. G., Smith, G. V. (1967) Alkaline-earth-rare-earth silicate and germanate apatites. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (279) 411-421 doi:10.1180/minmag.1967.036.279.11 |
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| Plain Text | Cockbain, A. G., Smith, G. V. (1967) Alkaline-earth-rare-earth silicate and germanate apatites. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (279) 411-421 doi:10.1180/minmag.1967.036.279.11 |
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| In | (1966) Mineralogical Magazine Vol. 36 (279) Mineralogical Society |
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| Abstract/Notes | SummaryA number of new alkaline-earth-rare-earth silicate and germanate compounds with the apatite-type structure have been synthesized including a new calcium lanthanum silicate, Ca4La6(SiO4)6(OH)2, which has a 9·63 Å, c 7·12, and c/a 0·740. This has a random distribution of Ca2+ and La3+ over the (4f) and (6h) sites in the lattice. X-ray data are given for Ca4La6(SiO4)6(OH)2 together with cell dimensions for other synthetic silicate and germanate apatites. Silicate apatites with partially occupied or vacant halogen (2a) sites analogous to those of the pyro- morphites have been prepared, and a classification for silicate apatites based on synthetic end-members is proposed. |
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