Cubic Pyrite Formation
Updated September 1, 2026
| Lot number | 0382 |
| Estimate | $900 - $1,200 |
| Opening bid | $350 |
| 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 |
Stunning cubic pyrite formation with enormous crystals from the Huanzala Mine in Peru. 4" x 6" x 4.25". 6 lbs, 8 oz.
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