Marmatite from Maine, USA
USA | |
| Gene Bearss, "What's New at the Estes Quarry" Micromounters of New England 2010 Symposium presentation |
| Lloyd Alexander Collection |
USA | |
| Gene Bearss, "What's New at the Estes Quarry" Micromounters of New England 2010 Symposium presentation |
| Lloyd Alexander Collection |