Rare Rough Tourmaline Mineral Specimen
Updated August 27, 2026
| Lot number | 0056 |
| Estimate | $7,680 - $9,600 |
| Opening bid | $640 |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
A sizable 13.52ct raw tourmaline crystal displaying prominent natural growth lines and strong color. Large 13+ carat raw crystals with prominent growth lines are rare specimen pieces. Personally
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