| Reference Type | Journal (article/letter/editorial) |
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| Title | Two synthetic compounds containing chromium in different valency states |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Johnson, W. | Author |
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| Year | 1960 (March) | Volume | 32 |
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| Issue | 248 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_32/32-248-408.pdf+ |
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| DOI | doi:10.1180/minmag.1960.032.248.07 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 5553 | Long-form Identifier | mindat:1:5:5553:0 |
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| GUID | 0 |
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| Full Reference | Johnson, W. (1960) Two synthetic compounds containing chromium in different valency states. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (248) 408-411 doi:10.1180/minmag.1960.032.248.07 |
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| Plain Text | Johnson, W. (1960) Two synthetic compounds containing chromium in different valency states. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (248) 408-411 doi:10.1180/minmag.1960.032.248.07 |
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| In | (1959) Mineralogical Magazine Vol. 32 (248) Mineralogical Society |
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| Abstract/Notes | SummaryTwo compounds, one an apatite and the other a perovskite, have been synthesized by sintering mixtures containing CaO and Cr2O3, and CaO, Cr2O3, and Fe2O3 respectively. The apatite formed by partial oxidation of the Cr2O3 and subsequent pick-up of moisture from the atmosphere, to give Ca5(CrO4)3OH. The perov-skite formed as a non-stoicheiometric compound Ca4(Fe,Cr)4O11 by partial oxidation of the Cr2O3 during firing. Lattice parameters and interplanar spacings are given for the two structures. |
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