| Reference Type | Journal (article/letter/editorial) |
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| Title | The nature and paragenesis of natural bredigite and associated minerals from Carneal and Scawt Hill, Co. Antrim |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Sabine, P. A. | Author |
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| Styles, M. T. | Author |
| Young, B. R. | Author |
| Year | 1985 (December) | Volume | 49 |
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| Issue | 354 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_49/49-354-663.pdf+ |
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| DOI | doi:10.1180/minmag.1985.049.354.05Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3785 | Long-form Identifier | mindat:1:5:3785:7 |
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| GUID | 0 |
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| Full Reference | Sabine, P. A., Styles, M. T., Young, B. R. (1985) The nature and paragenesis of natural bredigite and associated minerals from Carneal and Scawt Hill, Co. Antrim. Mineralogical Magazine, 49 (354) 663-670 doi:10.1180/minmag.1985.049.354.05 |
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| Plain Text | Sabine, P. A., Styles, M. T., Young, B. R. (1985) The nature and paragenesis of natural bredigite and associated minerals from Carneal and Scawt Hill, Co. Antrim. Mineralogical Magazine, 49 (354) 663-670 doi:10.1180/minmag.1985.049.354.05 |
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| In | (1985, December) Mineralogical Magazine Vol. 49 (354) Mineralogical Society |
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| Abstract/Notes | AbstractBredigite is a constituent of the very high-temperature, low-pressure, exomorphic suite of Carneal, Co. Antrim. Although this mineral is very rare in nature, it is an important constituent of some slags and cement clinkers but there has been much controversy about its nature, most of the evidence having come from artificial materials. Chemical analysis of the Carneal mineral shows it to be remarkably similar to that from the type locality, Scawt Hill (also analysed here), and that it is an individual mineral species of generalized ionic composition (Ca,Na)14(Mg,Fe2+Fe3+Mn)2(Si,P)8O32. Ba (abundant in the original analysis of the slag mineral) is not a constituent. Accurate X-ray powder data of the natural mineral are given. Bredigite is not Ca2SiO4, nor is it part of a solid solution of variable composition between larnite and merwinite. Analyses are presented for the associated minerals larnite (allowing appraisal of its composition), spurrite, and spinels. The paragenesis is discussed. |
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