| Reference Type | Journal (article/letter/editorial) |
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| Access Rights | Open Access |
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| Title | Yttrialite from Ivedal, Iveland, South Norway |
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| Journal | Norsk Geologisk Tidsskrift
[Norwegian Journal of Geology] | ISSN | 0029-196X |
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| Authors | Nilssen, Borghild | Author |
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| Year | 1971 | Volume | 51 |
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| Page(s) | 1-8 | Issue | 1 |
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| Publisher | Geological Society of Norway |
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| URL | |
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| Download URL | https://njg.geologi.no/images/NJG_articles/NGT_51_1_001-008.pdf+ |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16512289 | Long-form Identifier | mindat:1:5:16512289:4 |
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| GUID | aa6cb267-e313-438d-8fd2-4e2599e6449f |
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| Full Reference | Nilssen, Borghild (1971) Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 51 (1) 1-8 |
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| Plain Text | Nilssen, Borghild (1971) Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 51 (1) 1-8 |
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| In | (1971) Norsk Geologisk Tidsskrift [Norwegian Journal of Geology] Vol. 51 (1) Geological Society of Norway |
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| Abstract/Notes | Yttrialite from Ivedal, Iveland has a chemical composition very close to the theoretical formula RE2Si2O7. Some Th and U substitutes for RE, their higher valencies being balanced by Ca, Fe2+ and Mn. X-ray data indicate the existence of three different minerals with the chemical composition RE2Si2O7: thalenite, yttrialite and a third mineral with a thortveitite structure which should have a new name. The structural type formed in a given situation is chiefly determined by small differences in chemical composition, but may also be influenced by pT conditions. |
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