Ask The Experts - Do I need something other than a fire assay for PGMs?
February 2019 by Chris Ralph
Gold and silver in Pennsylvania
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
Q: Tantalite in an African nation -- is it worth pursuing?
Designing my own dredge...
Gold deposits and outer space
The Bawl Mill • Ask The Experts - This low-grade ore is not worth processing • Placer Gold Deposits of New Mexico • The Hunch • Resurrecting An Old Hard Rock Mine—A Series of Small Victories • The Basics of Exploration Leases and Contracts—Part I • Gold Prospecting for Better or Worse: A Long Hike • Mutiny on The Mason • Who Jumped Whose Claim First? • The Value of Evidence • Over The Divide: Charles "Chuck" Cushman • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices