More on columbium from Fact Monster:

• Cb - Cb Cb, formerly the symbol for the element columbium, now called niobium (Nb).
• Gustav Rose - Rose, Gustav Rose, Gustav , 1798–1873, German mineralogist. He served as professor at the ...
• niobium - niobium niobium , metallic chemical element; symbol Nb; at. no. 41; at. wt. 92.9064; m.p. about ...
• germanium - germanium germanium [from Germany], semimetallic chemical element; symbol Ge; at. no. 32; at. wt. ...
• Albany, cities, United States - Albany Albany . 1. Residential city (1990 pop. 16,327), Alameda co., W Calif., on the eastern shore ...

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