There are two base types of jewels that can be used when building your vault tool: Affinity Jewels and Tool Buffs.
Affinity Jewels
Affinity Jewels can be crafted via the Jewel Crafting Station and include the following:
| Jewel | Description | |
|---|---|---|
| Coin Affinity | Allows the tool to instantly mine coin piles within the vault | |
| Wooden Affinity | Allows the tool to mine wooden chests within the vault (Mining Speed is required to increase the speed) | |
| Ornate Affinity | Allows the tool to instantly mine Ornate Chests | |
| Living Affinity | Allows the tool to instantly mine Living Chests | |
| Gilded Affinity | Allows the tool to instantly mine Gilded Chests |
In addition to Affinity Jewels, the player can also craft the following functional jewels:
| Jewel | Description | |
|---|---|---|
| Smelting | Smelts any block mined with the tool | |
| Hydrovoid | Allows the player to mine away water | |
| Pulverising | Pulverises blocks that support pulverisation | |
| Random Affix | Generates a jewel with a random modifier or combination of modifiers from the list below |
Tool Buffs
Jewels obtained from jewel pouches can roll the following modifiers:
| Modifier | Description | |
|---|---|---|
| Vanilla Immortality | Allows a vault tool to be used in the overworld without consuming durability | |
| Trap Disarm | Can be stacked to reduce the chance of triggering trapped chests | |
| Mining Speed | Increases the speed at which the player can mine blocks, ores, and chests | |
| Durability | Increases the base durability of the tool | |
| Reach | Increases the distance the player can be from the mining target | |
| Copiously | Grants a chance to double gems or ores when mining vault ores | |
| Item Quantity | Increases the quantity of items found in chests | |
| Item Rarity | Increases the rarity of items found in chests | |
| Hammering | Increases the size of the hammer effect |