| Reference Type | Journal (article/letter/editorial) |
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| Title | Zr-rich garnet and Zr- and Th-rich perovskite from the Polino carbonatite, Italy |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Lupini, L. | Author |
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| Williams, C. T. | Author |
| Woolley, A. R. | Author |
| Year | 1992 (December) | Volume | 56 |
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| Issue | 385 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_56/56-385-581.pdf+ |
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| DOI | doi:10.1180/minmag.1992.056.385.14Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1872 | Long-form Identifier | mindat:1:5:1872:6 |
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| GUID | 0 |
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| Full Reference | Lupini, L., Williams, C. T., Woolley, A. R. (1992) Zr-rich garnet and Zr- and Th-rich perovskite from the Polino carbonatite, Italy. Mineralogical Magazine, 56 (385) 581-586 doi:10.1180/minmag.1992.056.385.14 |
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| Plain Text | Lupini, L., Williams, C. T., Woolley, A. R. (1992) Zr-rich garnet and Zr- and Th-rich perovskite from the Polino carbonatite, Italy. Mineralogical Magazine, 56 (385) 581-586 doi:10.1180/minmag.1992.056.385.14 |
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| In | (1992, December) Mineralogical Magazine Vol. 56 (385) Mineralogical Society |
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| Abstract/Notes | AbstractTh- and Zr-bearing perovskite and Zr-rich Ti garnet are described from the Polino calcite carbonatite, Italy. The garnets contain 6.05-7.50 wt.% ZrO2 in cores and up to 15.80 wt.% in rims. Silicon is low in these garnets and substantial Al and Fe 3+ has been assigned to the tetrahedral sites. A strong correlation of Si with Zr from published data suggests the possibility that some Zr may also be tetrahedrally coordinated. However, the chemistry alone does not constrain the site distribution of Fe, Ti, Zr and Mg unambiguously. The perovskites are very unusual in containing 2.81-3.27 wt.% ZrO2 and 1.48-1.71 wt.% ThO2. For comparison, new analyses are presented of the zirconium garnet kimzeyite and coexisting perovskite from the type locality at Magnet Cove. |
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