Rare Rough Tourmaline Mineral Specimen
Updated August 27, 2026
| Lot number | 0055 |
| Estimate | $4,320 - $5,400 |
| Opening bid | $360 |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
An excellent 3.41ct natural rough tourmaline piece with solid crystal integrity, ideal for lapidary artists or collectors. Solid crystal integrity in natural rough is highly prized and rarely
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