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How To Locate Diamonds
July 2008 by W. Dan Hausel
How to locate diamonds: This article focuses on the principal host rock for diamond and describes some gemstones (and kimberlitic indicator minerals) typically found with diamond.
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12-Year-Old Unearths Large Diamond
September 2013
It is the eighth largest brown diamond to be found and certified by park staff.
It is the eighth largest brown diamond to be found and certified by park staff.
The Bawl Mill
June 2006
• “Mom” and “dad” expelled from school?
• Foxes in the henhouse
• In good company
• Taxpayers torpedoed
• “Mom” and “dad” expelled from school?
• Foxes in the henhouse
• In good company
• Taxpayers torpedoed
Ask The Experts—Where can I find information on the Abby mine?
May 2011
Q: I would like to know where I can find information on the Abby mine located at Hildreth, CA.
Q: I would like to know where I can find information on the Abby mine located at Hildreth, CA.
The Furnace Atmosphere During the Fire Assay
January 2001
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
Melman on Gold & Silver
October 1999
By the time you read this, the onrushing, unavoidable object which was once a little speck on the distant horizon will have grown into a modest-size attention-getter.
By the time you read this, the onrushing, unavoidable object which was once a little speck on the distant horizon will have grown into a modest-size attention-getter.
Legislative and Regulatory Update
October 2006
• Make your votes count
• Court tells Forest Service many access fees are illegal
• Kensington update
• Make your votes count
• Court tells Forest Service many access fees are illegal
• Kensington update
The San Juan Mountains, Colorado
September 2001
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
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The Bawl Mill
• The Lost Silver Triangle of the Sierra Madre—Conclusion: Tayopa, Guaynopa, and Guaynopita
• The Greenwood Gold Project
• Miners Go To Work In Washington
• Natural Crystalline Gold
• The Vore Mine
• Tools of the Modern Prospector: The GPS
• Whitehall Mine Foregoing Closure
• Work Begins At Rock Creek Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• The National Mining Hall of Fame to Induct Four
• Looking Back







