July 1999 by Edgar B. Heylmun, PhDTantalum is a refractory metal which is non-toxic, ductile; easily fabricated, has a high melting point, is highly resistant to corrosion and is a good conductor of heat and electricity. It has the unique ability to transmit an alternating current in only one direction.
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The Bawl Mill • Gold Hunters Hit the Web in Fight with Missile Range • Religious Broadcaster in Liberia Mining Venture • Kazak Government Collects Gold from Residents • Recreational Gold Panning on the South Yuba River • Groups Wonder Meaning of Call for More Wilderness • Mining Claim Maintenance Fee Due • Desert Bonanza • Gold Near Boulder, Colorado • Company Notes • The Carissa Gold Mine, South Pass, Wyoming—A Sleeper? • Building the American Dream • Picks & Pans: A Pay Streak in Slate • Elizabethtown: Uncovering a Buried California Mining Community • California Diamonds • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Silver Demand Driving Mine Production Up—Mexico Remains Number One Producer • Looking Back