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Con-Virginia Ophir Mine Bonanza High Grade Specimens [201128]

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:750.00 USD Estimated At:1,500.00 - 3,000.00 USD
Con-Virginia Ophir Mine Bonanza High Grade Specimens [201128]
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This is a lot of six high-grade specimens that were collected by hand by James Quirk, a miner and Sheriff in Virginia City, around 1890 to 1900. The specimens were stored in an old wooden nail keg at the Quirk residence, and discovered by Amadeo Gavazzi bout 1940, who got them from Quirk's widow Katie Quirk. Some of the specimens show signs of oxidation, indicating they came from a near-surface level. Many of the specimens carry classic black silver sulfides with pyrite, which carries the gold in the interstices. Gavazzi had a few of the samples crushed and assayed at American Assay Labs in Sparks, Nevada, and found that the ore was indeed some of the Big Bonanza material: 8.167 oz/ton gold and 176.5 oz/ton silver. This bonanza ore was worth about $400 per ton at the time of its discovery. Dimensions of the largest specimen: 3.25 inches long by 2.25 inches wide. Dimensions of the smallest specimen: 1.75 inches long by 1.5 inches wide.
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Date:
Country (if not USA):
State: Nevada
City: Virginia City
Provenance: