| Reference Type | Journal (article/letter/editorial) |
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| Title | Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Kingsbury, Arthur W. G. | Author |
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| Year | 1961 (December) | Volume | 32 |
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| Issue | 255 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_32/32-255-921.pdf+ |
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| DOI | doi:10.1180/minmag.1961.032.255.01Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 5647 | Long-form Identifier | mindat:1:5:5647:6 |
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| GUID | 0 |
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| Full Reference | Kingsbury, Arthur W. G. (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (255) 921-940 doi:10.1180/minmag.1961.032.255.01 |
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| Plain Text | Kingsbury, Arthur W. G. (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (255) 921-940 doi:10.1180/minmag.1961.032.255.01 |
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| In | (1959) Mineralogical Magazine Vol. 32 (255) Mineralogical Society |
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| Abstract/Notes | SummaryHelvine and genthelvite are recorded for the first time in Britain; of the former, three occurrences in Cornwall and one in Devon, and of the latter, one occurrence in Cornwall, are described. British danalite has hitherto been represented by two old specimens with the vague locality ‘Redruth’, Cornwall; occurrences at four Cornish localities are described, and a further Cornish locality is provided by two old specimens previously labelled as garnet. Partial chemical analyses for the helvine, genthelvite, and danalite specimens are presented; helvine and genthelvite occur in pyrometasomatic-hydrothermal deposits in metamorphosed calcareous sediments and, in one instance, in greenstone; danalite in hydrothermal deposits or lodes in metamorphosed greenstone; the parageneses of the three minerals are discussed. |
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