All Articles
Tantalum
July 1999 by Edgar B. Heylmun, PhD
Tantalum 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.Gold & The Dollar
![](http://www.icmj.com/userfiles/images/200207/TOC-Gold-Dollar.jpg)
Picks & Pans: Dredging and Detecting in Sierra City
![](http://www.icmj.com/userfiles/images/200310/TOC-23-picks-and-pans.jpg)
Cripple Creek Gold Mine Exceeding Expectations
![](http://www.icmj.com/userfiles/images/201309/TOC-cripple-creek.jpg)
Sierra County Gold—Part I
![](http://www.icmj.com/userfiles/images/201312/TOC-Sierra-County.jpg)
Once Lonely, Mojave Desert Phone Now World's Companion
Now, from all corners of the world, at all hours of the day and night, people call, trying to reach out and touch someone. Anyone, really, who might happen to be passing by when the Mojave Phone Booth starts ringing.
Give That Club Claim A Chance
![](http://www.icmj.com/userfiles/images/201508/44-club-claim.jpg)
The Golden Highway—Calaveras County
Heading north along Highway 49 into the central Mother Lode, the first old mining town in Calaveras County was Melones, located along the banks of the Stanislaus River. The town was named for the unique coarse gold flakes found in the gravels that resembled melon seeds, hence the name that came from the Mexican miners.
Subscription Required:
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
Free:
Legislative Update