Crystal Cantina's Definitions of Size Classification
After extensive review of how sizes are classified throughout the world, Crystal Cantina has developed a defined Size Classification Chart that we feel works best most of the time.
Use the "Size" links to search The Cantina Mineral & Crystal Shop if you wish to.
| Size | Definition |
| Large Cabinet |
14.6 cm and Greater |
| Cabinet |
9 cm - 14.5 cm |
| Small Cabinet |
5 cm - 8.9 cm or All Dimensions = 12.5 cm or Greater |
| Miniature |
2.8 cm - 4.9 cm or All Dimensions = 12.4 cm or Less |
| Toenail |
Slightly Larger than a Thumbnail |
| Thumbnail |
2.7 cm and Less |
| Gem |
Crystals, Minerals and Precious Gems for Jewelry |
| Jewelry |
Finished Jewelry |