Rare Rough Blue Tourmaline Specimen
Updated August 27, 2026
| Lot number | 0064 |
| Estimate | $6,720 - $8,400 |
| Opening bid | $560 |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
A natural, unheated 2.14ct blue tourmaline crystal showing strong pleochroism and excellent raw structure. Unheated blue indicolite crystals showing this strong pleochroism are true rarities.
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