Agatized Fossil Coral Geode
Updated September 16, 2026
| Lot number | 152 |
| Auction | Lahti Estate Gems, Geodes, Rocks and More!!! |
| Date | September 29, 2026 at 6:00 PM CDT |
| Auction house | Powell Auction & Realty, LLC |
| Location | Knoxville, Tennessee |
Inside is formed when ancient coral skeletons are gradually replaced by silica- rich water over years.
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