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High-Grade Silver-Gold Ore, Seven Troughs, Nevada #103056

Currency:USD Category:Collectibles / Mining Start Price:25.00 USD Estimated At:50.00 - 100.00 USD
High-Grade Silver-Gold Ore, Seven Troughs, Nevada  #103056
SOLD
20.00USDto 8***6+ buyer's premium (4.40)
This item SOLD at 2019 Dec 08 @ 08:57UTC-8 : PST/AKDT
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High-grade silver-gold ore from the Harris Lease of the Seven Troughs Mine, Florence Mining & Leasing Company, Seven Troughs, Nevada, approx 25 x 18 x 11 mm. Original collector identified cerargyrite (a.k.a. chlorargyrite, silver chloride formed by weathering of silver-bearing ores in dry environments), native silver, and iron oxides. Under a hand lens, masses of silvery-gray minerals are easily seen along with coatings of secondary silvery-white mineral over sugary quartz. State: Nevada City: Seven Troughs Date: 1907