Niobium and Tantalum
January 2005 by Edgar B. Heylmun, PhDNiobium (columbium) and tantalum are related metals that usually occur together and are associated with vanadium on the periodic chart of the elements. Both metals have seen increased usage in high-tech applications in recent years because of increased availability.
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The Bawl Mill • Convention Report • Interview with Congressman Gibbons on Mining Law Reform • The Art of Finding Coarse Gold Part II—Pocket Hunting for Residual Placers • Gold Canyon Resources Targets Gallium • Tucson Mountain Chaos • Picks & Pans: Auburn Ravine Gold • Suit Filed to Stop Mining in Northern California • The Iola Mine Group, Montgomery County, North Carolina • Effectively Using a Detector and Drywasher for Placer Gold • Mining Companies Use Conservative Valuations • Company Notes • Accident at Robinson Mine Leaves Two Dead • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices