Reference Type | Journal (article/letter/editorial) |
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Title | Scarbroite, Al5(OH)13CO3·5H2O, compared with gibbsite and hydrotalcite |
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Journal | Mineralogical Magazine | ISSN | 0026-461X |
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Authors | Brindley, G. W. | Author |
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Year | 1980 (March) | Volume | 43 |
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Issue | 329 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_43/43-329-615.pdf+ |
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DOI | doi:10.1180/minmag.1980.043.329.08Search in ResearchGate |
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| Generate Citation Formats |
Mindat Ref. ID | 3102 | Long-form Identifier | mindat:1:5:3102:2 |
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GUID | 0 |
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Full Reference | Brindley, G. W. (1980) Scarbroite, Al5(OH)13CO3·5H2O, compared with gibbsite and hydrotalcite. Mineralogical Magazine, 43 (329) 615-618 doi:10.1180/minmag.1980.043.329.08 |
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Plain Text | Brindley, G. W. (1980) Scarbroite, Al5(OH)13CO3·5H2O, compared with gibbsite and hydrotalcite. Mineralogical Magazine, 43 (329) 615-618 doi:10.1180/minmag.1980.043.329.08 |
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In | (1980, March) Mineralogical Magazine Vol. 43 (329) Mineralogical Society |
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Abstract/Notes | SummaryThe composition of scarbroite, written in the form Al5(OH)13CO3·5H2O, suggests close crystal-chemical relations to gibbsite and to hydrotalcite and kindred minerals. Parametral relations a(S) ≃ 2b(G) and 3b(S) ≃ 5a(G), S = scarbroite, G = gibbsite, are obtained and are consistent with a hydroxy Al layer structure and interlayer carbonate anions and water molecules. Thermal transformations show two discrete hydrated phases with layer spacings near 8.5 and 7.65 Å and a third phase with initial spacing 6.65 Å which decreases progressively to 5.5 Å over the temperature range 100°–250 °C as decomposition proceeds. No clear break is observed between dehydroxylation and decarbonation. |
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