Mineral Specimen, Possibly Rough Opal

Updated September 17, 2026

This auction ended on October 3, 2026. See upcoming auctions from Hamilton & Sons Auctions and Estates.
Lot number375
Estimate25.00 - 50.00 USD
AuctionHarvest Moon: Silver, Jewelry, Art & More
DateOctober 3, 2026 at 9:30 AM MDT
Auction houseHamilton & Sons Auctions and Estates
LocationMissoula, Montana

Possibly rough natural opal. 4 1/2 x 3 1/2 x 2". Dimensions: H: 3.5", W: 4.5", L: 2"

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