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Ask The Experts - Can you explain colloidal gold?

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Q: Graphite spray to prevent sticking when using cast iron molds

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How do I set up a small placer operation?

Ask The Experts - How do I separate gold from broken glass?


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• Can I find enough gold to make a living with only hand tools?

Ask The Experts - Can I get an update on your efforts in DC?


Ask The Experts—Iridium


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?

Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?


Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.

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The Bawl Mill   • Ask The Experts - Info on Santa Cruz beach placers?   • Ask The Experts - Detectors and flour gold   • Ask The Experts - Why is the gold in these clays?   • Ask The Experts - Where did this kimberlite come from?   • Ask The Experts - Can gold particles combine to form a nugget?   • Placer Gold Deposits in the Western States   • Evaluating Gold Recovery with Mass Balance Calculations   • Clues for Detecting Ancient River Channels and Flats   • What Is Your Grade?   • State of Idaho Looks to Invest in Gold and Silver   • Colorado Uranium Mining in the 1950s Boom   • Drywashing for Desert Gold—Part II   • Decoding Dredge Capacity   • I Just Tripped Over A Nugget   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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