Gemstone Mines in Maine
50Total Sites
3Active
Gemstone Mining in Maine
Maine has 50 gemstone-related mine and mineral deposit locations recorded in federal databases. Of these, 3 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Oxford County | 38 |
| Sagadahoc County | 4 |
| Cumberland County | 3 |
| York County | 3 |
| Androscoggin County | 2 |
Gemstone Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Mt Mica Pit | Oxford | Surface | Producer |
| Plumbago Gem Mine | Oxford | Surface | Producer |
| Upper & Lower Mt. Rubellite | Oxford | Surface | Producer |
| Amethyst Occurrence | Oxford | Occurrence | |
| Amethyst Prospect | Oxford | Occurrence | |
| Amethyst Prospect | Oxford | Occurrence | |
| Aquamarine Occurrence | Oxford | Occurrence | |
| Austin McHugh Mine | Androscoggin | Surface | Past Producer |
| Baldpate Mtn. Area Prospect | Oxford | Prospect | |
| Bowker Mine | Oxford | Prospect | |
| Burnell Hill Occurrence | Oxford | Occurrence | |
| Butters Mt. Area Prospect | Oxford | Prospect | |
| Chute Prospect | Cumberland | Surface | Prospect |
| Colton Hill Amethyst Prospect | Oxford | Prospect | |
| Eastman Prospect | Oxford | Occurrence | |
| General Electric Co. Mine | Oxford | Surface | Prospect |
| Harndon Hill Prospect | Oxford | Prospect | |
| Hedgehog Hill Mine | Oxford | Past Producer | |
| Irish Prospect | Oxford | Prospect | |
| Joe McKeen Hill Amethyst Occurrence | Oxford | Occurrence | |
| Joe McKeen Hill Beryl Occurrence | Oxford | Occurrence | |
| Kennedy Mine | Androscoggin | Prospect | |
| Lord Hill Mine | Oxford | Past Producer | |
| Melrose Prospect | Oxford | Prospect | |
| Neville Prospect | Oxford | Occurrence | |
| Orchard Mine | Oxford | Past Producer | |
| Orman McAllister Prospect | Oxford | Prospect | |
| Peaked Hill Prospect | Oxford | Prospect | |
| Pine Hill Chrysoberyl Occurrence | Oxford | Occurrence | |
| Plumbago Gem Mine | Oxford | Surface-Underground | Past Producer |
| Plumbago Mining Corp. | Oxford | Past Producer | |
| Porcupine Hill Prospect | Sagadahoc | Prospect | |
| Prout Mine | Sagadahoc | Surface | Past Producer |
| Rogers Mine | Sagadahoc | Surface | Prospect |
| Ryerson Hill Mine | Oxford | Past Producer | |
| Ryerson Hill Mine | Oxford | Past Producer | |
| Scapolite Occurrence | York | Occurrence | |
| Slattery Mine | Oxford | Prospect | |
| Tamminen Mine Old | Oxford | Past Producer | |
| Thomas Quarry | Sagadahoc | Surface | Past Producer |
| Uncle Tom Mine | Oxford | Past Producer | |
| Unnamed Diopside Prospect | Cumberland | Occurrence | |
| Unnamed Prospect | Cumberland | Occurrence | |
| Vesuvianite Occurrence | York | Occurrence | |
| Vesuvianite Occurrence | York | Occurrence | |
| Waisanen Mine | Oxford | Surface | Past Producer |
| Warren Quarry | Oxford | Surface | Past Producer |
| Whitehall Mine | Oxford | Surface-Underground | Past Producer |
| Whitehall Mine | Oxford | Surface-Underground | Past Producer |
| Willis Warren Quarry | Oxford | Surface | Past Producer |