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Identifying the Noble Metals Simple Tests That Work
May 2006 by Charles L. Butler
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...Additional articles that might interest you...
Death Valley Find is Apparent Hoax
March 1999
Jerry Freeman became an instant celebrity in January by announcing the discovery of a 149-year-old trunk belonging to a band of Gold Rush settlers he's obsessively researched for more than a decade.
Jerry Freeman became an instant celebrity in January by announcing the discovery of a 149-year-old trunk belonging to a band of Gold Rush settlers he's obsessively researched for more than a decade.
Company Notes
September 1999
• Placer Dome
• Newmont Mining
• Homestake Mining Company
• Royal Gold Inc.
• Placer Dome
• Newmont Mining
• Homestake Mining Company
• Royal Gold Inc.
The Bawl Mill
November 2009
• Dollars and (non) sense
• Speaking of overspending
• A hare-raising solution
• No longer in the majority
• Feeling a little vulnerable
• Dollars and (non) sense
• Speaking of overspending
• A hare-raising solution
• No longer in the majority
• Feeling a little vulnerable
The Bawl Mill
June 2015
• Ripe for the picking
• Ripe for the picking
Ask the Experts
June 2014
• How many parts per million make a project viable?
• How many parts per million make a project viable?
The Bawl Mill
October 2016
• Not so charitable...
• By the Numbers
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The Bawl Mill
• Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
• Orko Silver Corp.
• Miners Win Again in SREP vs. USFS
• The Willow Creek-Hatcher Pass Alaskan Goldfields
• Metal Detecting for Gold Within Andesite and Basaltic Volcanic Mining Districts
• How to Prospect for Silver Field Tests You Can Use to Detect the Hidden Metal
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
