Large Rare Octahedral Pyrite Formation
Updated October 18, 2026
| Lot number | 0155 |
| Estimate | $2,500 - $3,000 |
| Opening bid | $900 |
| Auction | Nov. 7 Rock, Fossil & Gemstone Timed Auction |
| Date | November 7, 2026 at 1:00 PM EST |
| Auction house | Fossils & Gemstones of Houston |
| Location | Houston, Texas |
Large, rare octahedral pyrite formation from Peru. 7” x 7” x 6”. 23 lbs, 2 oz.
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