| Reference Type | Journal (article/letter/editorial) |
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| Title | The crystal structure of kilchoanite, Ca6(SiO4)(Si3O10), with some comments on related phases |
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| Journal | Mineralogical Magazine |
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| Authors | Taylor, H. F. W. | Author |
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| Year | 1971 (March) | Volume | 38 |
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| Issue | 293 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_38/38-293-26.pdf+ |
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| DOI | doi:10.1180/minmag.1971.038.293.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6428 | Long-form Identifier | mindat:1:5:6428:0 |
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| GUID | 0 |
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| Full Reference | Taylor, H. F. W. (1971) The crystal structure of kilchoanite, Ca6(SiO4)(Si3O10), with some comments on related phases. Mineralogical Magazine, 38 (293) 26-31 doi:10.1180/minmag.1971.038.293.03 |
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| Plain Text | Taylor, H. F. W. (1971) The crystal structure of kilchoanite, Ca6(SiO4)(Si3O10), with some comments on related phases. Mineralogical Magazine, 38 (293) 26-31 doi:10.1180/minmag.1971.038.293.03 |
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| In | (1971, March) Mineralogical Magazine Vol. 38 (293) Mineralogical Society |
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| Abstract/Notes | SummaryThe crystal structure of kilchoanite, Ca6(SiO4)(Si3O10), has been determined from three- dimensional X-ray methods (r = 0·089 on 348 independent reflections). It is closely related to that of γ-Ca2SiO4, which is olivine-like. In kilchoanite, slabs of γ-Ca2SiO4 structure alternate with ones composed of Ca ions and finite chains of three tetrahedra; these have the composition Si3O108− and have rarely been observed previously. A related, synthetic phase, 8CaO. 5SIO2, probably has a similar structure but with a higher proportion of γ-Ca2SiO4 regions, and should thus be formulated as Ca8(SiO4)2(Si3O10). Disordered synthetic phases also occur that appear to have similar structures with still higher proportions of γ-Ca2SiO4 regions. These phases collectively form an interesting contrast to the chondrodite minerals. |
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