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Cummingtonite & Sideroplesite Ore Specimens, Homestake Mine [199452]

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:75.00 USD Estimated At:150.00 - 200.00 USD
Cummingtonite & Sideroplesite Ore Specimens, Homestake Mine [199452]
SOLD
85.00USDto t*******d+ buyer's premium (21.25)
This item SOLD at 2025 Aug 09 @ 11:26UTC-07:00 : PDT/MST
FINAL AUCTION RECORD The Auctioneer’s podium notes serve as the final, legally binding record of the auction results, superseding any electronic bidding records. See Terms and Conditions
This pair of ore specimens are important because these two minerals (cummingtonite and sideroplesite) are key indicator minerals for Homestake. Cummingtonite occurs in the sideroplesite. From the No. 11 ledge. Please see photos for dimensions.
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Date:
Country (if not USA):
State: South Dakota
City: Lead
Provenance: Homestake Mine Geologist Dave Shaddrick Collection