| Abstract: | The crystal chemistry of the natural vanadium bronze minerals is reviewed on the basis of published information and new studies (mainly by X-ray powder-diffraction methods) using type material wherever possible. The known V bronze minerals are divided into three categories: 1) the hewettite group, 2) the straczekite group, 3) other structure types including navajoite, schubnelite, fervanite, shcherbinaite, bannermanite, and melanovanadite. All known structures associated with the fibrous V bronzes (fiber spacing 3.6 A??) can be considered as various lateral linkages (into sheets or networks) of only two types of polyvanadate chains: 1) a divanadate chain (V2O6)n consisting of alternating square pyramids, and 2) a tetravanadate chain (V4O12)n consisting of four highly condensed single octahedral chains. -from Authors |
| Genre: | Article |
| ProdID: | 70015745 |
| Citation Author: | Evans, Jr, H. T.; Hughes, J. M. |
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| Citation End Page: | 521 |
| Citation Issue: | 5-6 |
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| Citation Language: | English |
| Citation Larger Work Title: | American Mineralogist |
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| Citation Number Of Pages: | 14 |
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| Citation Search Results Text: | Crystal chemistry of the natural vanadium bronzes; 1990; Article; Journal; American Mineralogist; Evans, Jr, H. T.; Hughes, J. M. |
| Citation Start Page: | 508 |
| Citation Volume: | 75 |
| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Crystal chemistry of the natural vanadium bronzes; 1990; Article; Journal; American Mineralogist; Evans, Jr, H. T.; Hughes, J. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1990 00:00 -0600 |
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