CARBORUNDUM ROCK STONE LAPIDARY SPECIMEN NATURAL LAPIDARY POLISHING COLLECTOR
Updated August 6, 2026
| Lot number | 210415 |
| Estimate | $8 - $10,000 |
| Opening bid | $8 |
| Auction | SILVER RIDGE ESTATE ROCKS GEMS ANTIQUES |
| Date | August 9, 2026 at 12:00 AM EDT |
| Auction house | Col. Christie Hatman Auctioneers |
This carborundum specimen is a useful addition for the lapidary hobbyist's cutting and polishing supplies, also of interest to mineral collectors. See photos for exact size and condition. WELCOME TO
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