2225

Gold-Sylvanite High Grade Ore, Bald Mountain, South Dakota [199189]

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:250.00 USD Estimated At:500.00 - 1,500.00 USD
Gold-Sylvanite High Grade Ore, Bald Mountain, South Dakota [199189]
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[?]Live Online Auction Starts In 2025 Aug 09 @ 08:00 (UTC-07:00 : PDT/MST)
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Dave Shaddrick worked on this deposit during his stretch with the Homestake Mining Company decades ago. He told us this specimen ran 1300 oz/ton gold. He broke it in half and tried to cook it in his oven, resulting in gold globules visible. Size of the rocks each is about 2 x 1.25 x 1.5". Combined weight 127.8 grams.
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Date:
Country (if not USA):
State: South Dakota
City: Bald Mountain
Provenance: Homestake Mine Geologist Dave Shaddrick Collection