Iridescent Carbon Silicon Crystal Specimens
Updated August 20, 2026
This auction ended on August 22, 2026.
See upcoming auctions from Col. Christie Hatman Auctioneers or current pottery, china & glass auctions.
| Lot number | 714275 |
| Estimate | $8 - $24 |
| Opening bid | $8 |
| Category | Pottery, China & Glass |
| Auction | ROCK & ANTIQUES VINTAGE CURIO COLLECTION |
| Date | August 22, 2026 at 10:00 PM EDT |
| Auction house | Col. Christie Hatman Auctioneers |
| Location | Thayer, Missouri |
Two pieces of rainbow-iridescent black crystalline mineral (carborundum/silicon carbide) with sparkling rainbow flashes across a druzy crystal surface. Shown with a quarter for scale, each roughly 3
