Rare Rough Tourmaline Mineral Specimen
Updated August 27, 2026
| Lot number | 0029 |
| Estimate | $2,880 - $3,600 |
| Opening bid | $240 |
| 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 1.00ct rough tourmaline specimen perfect for lapidary rough or gemological reference collections. Unheated rough specimens of this clarity are highly sought-after rarities.
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