Cubic Pyrite, Sphalerite and Chalcopyrite Formation
Updated September 1, 2026
| Lot number | 0510 |
| Estimate | $900 - $1,100 |
| 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 |
Incredible cubic pyrite, sphalerite and chalcopyrite formation from the Huanzala Mine in Ancash, Peru. 6" x 6.5" x 3.5". 6 lbs, 12 oz.
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