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Gems are acquired through the surveying and geology skills.
Currently known gems and tiers roughly associated with the Geology skill level:
| Survey | Gem | Value | Primary Skill | Secondary Skill |
|---|---|---|---|---|
| Blue | Amethyst | 100 | Teleportation | - |
| Blue Spinel | 100 | Staff | - | |
| Fluorite | 100 | Animal Handling | Meditation | |
| Lapis Lazuli | 100 | Alchemy | - | |
| Obsidian | 100 | Knives | - | |
| Green | Aquamarine | 100 | Fishing | Teleportation |
| Bloodstone | 100 | Weather Witching | Cooking | |
| Malachite | 100 | Cow, Pig, Deer, Spider | - | |
| Peridot | 100 | Archery | Calligraphy | |
| Tourmaline | 100 | Combat Psychology | - | |
| Tsavorite | 100 | Geology | - | |
| White | Quartz | 100 | Fire Magic | - |
| White | Onyx | 100 | Shield | Armor Patching, Tanning, Leatherworking |
| Orange | Citrine | 100 | Battle Chemistry | |
| Orange | Carnelian | 100 | Sword | |
| Orange | Topaz | 100 | Mentalism | |
| ??? | Sardonyx | 100 | Axe | |
| ??? | Serpentine | 100 | Necromancy | |
| Orange | Garnet | 100 | ??? | ??? |
| White | Agate | 100 | Unarmed | |
| White | Moss Agate | 100 | Hammer |