Quartz and Cubic Pyrite Formation
Updated September 1, 2026
| Lot number | 0375 |
| Estimate | $1,300 - $1,500 |
| Opening bid | $550 |
| 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 and large quartz and cubic pyrite formation from the Huanzala Mine in Peru. 6" x 8" x 6". 12 lbs, 5 oz.
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