File:Britannica Columbite.png
Britannica_Columbite.png (243 × 423 pixels, file size: 6 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:38, 17 October 2009 | ![]() | 243 × 423 (6 KB) | Bob Burkhardt | {{Information |Description={{en|1=Line drawing of a crystal of columbite.}} |Source=Encyclopædia Britannica, 11th ed., Vol. 6, p. 740. |Author=Leonard James Spencer |Date=1911 |Permission={{PD-Britannica}} |other_versions= }} Category:Columbite |
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