Huge Cubic Pyrite, Chalcopyrite and Sphalerite Specimen
Updated September 1, 2026
| Lot number | 0258 |
| Estimate | $2,500 - $3,000 |
| Opening bid | $900 |
| 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 |
Huge cubic pyrite, chalcopyrite and sphalerite formation from the Huanzala Mine in Ancash, Peru. 10" x 14" x 8". 36 lbs.
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