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A Warning About Mercury

One of my best friends ended up in the hospital with acute mercury poisoning after firing some gold amalgam outside. He knew better, but was trying to impress a relative from the East Coast.

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Greenstone and Gold


Contacts, faults and zones of weak rock are all places that can act as a pipeline to convey gold-bearing fluids, leading to valuable deposits.

Picks & Pans: Detecting Micro-Nuggets


Any detector specifically designed to respond to small gold will do. The best ones are the lightest ones with the smallest coils.

Melman on Gold & Silver


This past month has been filled with headline-grabbing news events and, for a change, it was not only politics that dominated those news stories, but rather financial markets themselves, with gold and mining shares grabbing a major share of attention.

BLM Land Swap Deal Raises Eyebrows


The Bureau of Land Management (BLM) in Washington D.C. is reviewing a land swap with a private company because the bureau allowed an employee of the company to arrange the deal.

Identifying the Noble Metals Simple Tests That Work


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...

The Bawl Mill


• "Fast and Furious" investigation slowly moving forward
• EPA needs to be held accountable

Mystery of Olmec Jade Solved


Since the 18th century, collectors, geologists and archaeologists have sought the answer to a frustrating mystery: The ancient Olmecs fashioned statues out of striking blue-green jade, but the stone itself was nowhere to be found in the Americas.

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