Huge Bluish Grey Chalcedony Plate with Stilbite and Quartz Crystals
Updated September 1, 2026
| Lot number | 0266 |
| Estimate | $1,500 - $2,000 |
| Opening bid | $700 |
| Auction | Fall Rock and Fossil Timed Clearance Auction |
| Date | September 19, 2026 at 1:00 PM EDT |
| Auction house | Fossils & Gemstones of Houston |
| Location | Houston, Texas |
Huge bluish-grey chalcedony plate with stilbite and quartz crystals. 16" x 21" x 5". 61 lbs, 10 oz.
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