Rare Natural Triangle Quartz Crystal by Francis J. Sperisen
Updated August 27, 2026
This auction ended on September 12, 2026.
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| Lot number | 0032 |
| Estimate | $6,720 - $8,400 |
| Opening bid | $560 |
| Category | Pottery, China & Glass |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
A large 24.79ct precision-cut triangular quartz gemstone with exceptional eye-clean clarity and high polish. Quartz precision-cut to this exceptional scale and eye-clean clarity is exceedingly rare.
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