Jewels

There are two base types of jewels that can be used when building your vault tool: Affinity Jewels and Tool Buffs.

Block Breaking Jewels

Block Breaking Jewels can be crafted via the Jewel Crafting Station and include the following:

	Jewel	Description
	Picking	Allows the tool to mine blocks that require a pickaxe
	Axing	Allows the tool to mine blocks that require an axe
	Shovelling	Allows the tool to mine blocks that require a shovel

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
	Pulverizing	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
	Soulbound	Keeps item upon death.
	Vanilla Immortality	Allows a vault tool to be used in the overworld without consuming durability
	Trap Disarm Chance	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
	Hammer Size	Increases the size of the hammer effect

Additional information:

Reach is capped to an additional 2.5 in Vaults but not capped outside of the Vaults.

Type	On Ground (Mining Speed Required)	In Air (Mining Speed Required)
Ores	+52	+423
Ornate / Gilded / Living Chests	+0	+22
Wooden Chests	+715	+3.715
Strong Boxes	+903	+4.653
Dungeon Barrels	+1.000	+5.590

All numbers assume Haste 3, Efficiency 5, and the correct affinity.

Wooden Chest Mining Speeds

Values below show only additional Mining Speed from Jewels (not base speed).
Mining Speed	Time to Mine (seconds)
+0	1.10–1.40
+0.8	1.05–1.35
+2.5	1.00–1.30
+4.5	0.95–1.25
+6.7	0.90–1.20
+9.2	0.85–1.15
+11.9	0.80–1.10
+15	0.75–1.05
+18.6	0.70–1.00
+22.7	0.65–0.95
+27.5	0.60–0.90
+33.2	0.55–0.85
+40	0.50–0.80
+48.4	0.45–0.75
+58.8	0.40–0.70
+72.2	0.35–0.65
+90	0.30–0.60
+115	0.25–0.55
+152.5	0.20–0.50
+215	0.15–0.45
+340	0.10–0.40
+715	0.05

All times measured with Haste III.