History & Geology
Critical Metals: Antimony
June 2016 by Chris Ralph
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
The Potholes—California’s Oldest Known Mining District
Every time we prospected here we found gold, sometimes some really coarse flakes, but no large nuggets (yet).
Sixteen to One Gold Mine: Going Underground - Pt II
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
All About Native Silver
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
Gold, Quartz & Chalcedony—Part II
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
Quartz: The Indicator of Gold
Quartz: The Indicator of Gold
Eolian Gold Deposits
Prospectors who specialize in electronic detecting for nuggets in desert areas are especially interested in this type of deposit, as it yields nuggets that are close to the surface of the ground...
The Wisdom of Mark Twain—And Tales of Cheating the Unwary Prospector
I (enjoy) Twain’s description of a gold mine, “A hole in the ground with a liar at the top.” Some humor here? You bet, but I’m sure he meant it to be a real eye opener as well.
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