Researchers Trace History of Hope Diamond
March 2005 by Randolph E. SchmidResearchers using computer analysis have traced the origin of the famed Hope Diamond, concluding that it was cut from a larger stone that was once part of the crown jewels of France.
A breccia pipe, or chimney, is an irregular cylindrical mass of breccia that is often silicified and stands out as an iron-stained knob. They can be from a few feet to several hundred feet in diameter, and may or may not be mineralized.
• Lawsuits galore
• Suction dredging saga continues
• HR 1937 to streamline permitting, remove obstacles to miners
• Sage-grouse debate continues
• More National Monuments
Any good books on mineralized faults and contacts?
Chris has been a regular contributor to the Journal for several years, and we are proud to announce that he will be joining our staff...
While we have spent the past few years trying to adjust to wave after wave of new industries, new language and new influences in our lives, this past month the world's attention has once again returned to the cradle of civilization, the Middle East.
• Wheaton River Minerals
• Coeur d'Alene Mines Corp.
• Iamgold Corp.
• Golden Star Resources
• China Minmetals Corp.
• Noranda Inc.
• Golden Eagle International, Inc.
• Clifton Mining Company
• Nord Resources Corp.
The Bawl Mill • $100 Million Lost on Faulty ESA Listing • Geologists Locate Giant Gemstones • Miner Wins Important Victory Against Forest Service • Philippines Asks Foreigners to Invest in Mining • The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers • Healthy Interest at Recent Vancouver Conferences • Idaho Silver Miners Come to Aid of Tsunami Victims • Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains • The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada • Looking Back • Resolution Copper Mine, Arizona • Company Notes • China Ups Investment in Foreign Minerals • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices