Polished Black Stone with Quartz Vein - 154 Gram Mineral Specimen
Updated August 6, 2026
| Lot number | 714372 |
| Estimate | $5 - $10,000 |
| Opening bid | $5 |
| Auction | STERLING SILVER, ANTIQUE, ROCKS, GOLD GEMS L2 |
| Date | August 7, 2026 at 1:00 AM EDT |
| Auction house | Col. Christie Hatman Auctioneers |
| Location | Thayer, Missouri |
A smooth, egg-shaped polished stone in deep black with a striking band of white quartz running through it. The auction tag lists this specimen at 154 grams, and it measures roughly 3 inches long. A
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