175 Pound Pyrite Formation - MONUMENT
Updated September 1, 2026
| Lot number | 0573 |
| Estimate | $5,000 - $6,000 |
| Opening bid | $2,000 |
| 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 |
Incredible 175 pound pyrite formation from the Huanzala Mine in Peru. 19” x 13” x 8”.
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