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How Much Gold Is In My Gold-Quartz Specimen?
June 2010 by Chris Ralph
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
Creating Your Own Luck
Now that you are actually going to be out there doing some prospecting, I may be able to help.
Ask the Experts
Q: Does anyone know of an electrowinning instrument that will plate (heavy plate) rhodium and iridium? I have both in solution. (Solution content = 262.9 oz/ton of iridium; 14.9 oz/ton rhodium.)
If I have precious metals in solution in bulk, say 620 to 1,000 gallons, is there a facility to extract the precious metals out? If so, can each be isolated?
California Dredgers Shafted by Assembly Democrats
Legislation designed to provide full permit refunds to all suction dredge miners in California has been hijacked in an Assembly policy committee.
ICMJ's 12th Annual Photo Contest Results
The Forms of Crystalline Gold
The largest and most perfect single gold crystals are nearly always in the form of octahedra. These large octahedral crystals often possess deeply recessed faces.
Legislative and Regulatory Update
• Pacific Legal Foundation joins effort to overturn California dredging moratorium
• PLP fund drive continues
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The Bawl Mill
• Legislative and Regulatory Update
• Sluicing at Rocky Bar, Idaho
• Nine Pound Nugget Found In Northern California!
• Glaciers and Placer Gold Deposits
• Ask The Experts: Can you help me identify these items?
• Getting The Most Value From Your Gold-Quartz Specimens
• Highbanking and the House Rock
• Fix or Replace, Depreciate or Write-Off
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
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Update on Oregon, Idaho and California Suction Dredge Permits
• ECU Silver Mining Continues The Legacy
