LINKS
| Museums |
| Lizzadro Museum of Lapidary Arts |
| University of Arizona Mineral Museum |
| Field Museum - Chicago |
| Rice Northwest Museum of Rocks & Minerals |
| The Mineral Museum of Michigan |
| Museum of Paleontology |
| Publications |
| Lapidary Journal |
| The Mineralogical Record |
| Rock & Gem |
| Ganoksin Online |
| Rocks & Minerals |
| Colored Stone |
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