Ask The Experts
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
Q: What is available to a small prospector? How does one prospect (drill) into the walls of an old hard rock mine to see what is 10 feet beyond...
Q: I’m working with some folks who have a large amount of old placer concentrates stored on their recently purchased property.
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
Q: I was wondering how such a device could locate a rich gold vein in quartz, for example, since a metal like gold is non-magnetic.
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
Q: What I would like to know is how to confirm if it is magnesite and the quality.
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.