MN Thomsonite Polished Specimens
Updated September 16, 2026
This auction ended on September 27, 2026.
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| Lot number | 178 |
| Auction | Rock Shop Sale 11, Agates, Rocks, Minerals, Jewelry, Fossils |
| Date | September 27, 2026 at 6:30 PM CDT |
| Auction house | Rocks & Tools, LLC. |
| Location | Monticello, Minnesota |
MN Thomsonite Polished Specimens - Measurements shown in inches and weight in lbs / ounces. - Stand or display not included (if shown), for photography purposes only. - Long and short wave UV lighting (if shown) is under our in-house fixture (made by a USA company that specializes in UV lighting solutions). **FOLLOW OUR AUCTIONS FOR MORE GEMS, AGATES, JASPER, NATURAL STONE JEWELRY, FOSSILS, SPECIMENS, MINERALS, CRYSTALS, FLUORESCENT (UV REACTIVE) MATERIALS, LAPIDARY, ROCK, COLLECTIBLE DECOR**
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