Identifying the Noble Metals Simple Tests That Work
May 2006 by Charles L. ButlerUsing 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...
Every year there are large nuggets found by the diligent, and occasionally by the lucky newbie.
Elon Musk, co-founder of PayPal, has begun production of a fully-electric car at his new company, Tesla Motors. Though the first vehicles to roll off the production line were manufactured in the United Kingdom, the company just announced that the...
• Leaked documents show BLM’s true intentions
• New Oregon small-scale prospecting rules
Under the previous administration, the EPA declared the ditch was a federally-protected waterway, and Robertson needed a federal permit under the Clean Water Act.
Who were the earliest prospectors in the Western Hemisphere? Is there any way to tell?
Q: Who manufactures the diagonal vibrating table?
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