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Amethyst.png Amber.png Topaz.png Sapphire.png Emerald.png Ruby.png Diamond.png
Type Gem
Max stack 999
A Gemstone Cave, where higher concentrations of Gems can be found.

Gems are valuable materials that can be found in veins underground, embedded in Stone blocks or on the sides of Stone blocks, either in placed form or as a rock with gems sticking out, which will drop the gem when mined. Gems can be placed on any side of blocks after being mined.

Gems can also be found in higher concentrations in rare Gemstone Caves, which can contain multiple Gem types lining their blocks, and have their own unique background wall that cannot be collected or used by players. Gems are rarely found on wood in Underground Cabins as well.

Gem rarity is not affected by depth; you will find as many gems near the surface (note that caves with dirt walls will not hold any) as right above the Underworld. However, gems are far more common in the Underground Jungle. Some gems are less common than others; refer to the list below for each gem's rarity, in descending order.


In descending order of rarity and value (rarest at the top):

Gem Value In Stone
Amber.png Amber 30 Silver Coin n/a*
Diamond.png Diamond 30 Silver Coin
Diamond stone.png
Ruby.png Ruby 22 Silver Coin 50 Copper Coin
Ruby stone.png
Emerald.png Emerald 15 Silver Coin
Emerald stone.png
Sapphire.png Sapphire 11 Silver Coin 25 Copper Coin
Sapphire stone.png
Topaz.png Topaz 7 Silver Coin 50 Copper Coin
Topaz stone.png
Amethyst.png Amethyst 3 Silver Coin 75 Copper Coin
Amethyst stone.png
  • *Amber is not mined. It can only be obtained from an Extractinator.


Gems can be sold to NPCs as a good pre-Hardmode source of coins. Additionally:

  • 15 of any Gem may be crafted into a colored Hook at an Anvil.
  • Each Gem can be crafted into a Gem staff (magic weapon) with the exception of Amber.
  • Pc only.png Each Gem can craft Gemspark Blocks of a corresponding color.
  • Each Gem, except for Amber, can craft a Phaseblade of matching color. Every color has identical attributes.
  • Each can be combined with torches to create colored torches.
  • Topaz can be used to craft the Sandgun.
  • Rubies can be used for the Gold Crown.
  • Gems, with the exception of amber, can be imbued into robes.
  • Each Gem can craft a Large Gem for use in "Capture the Gem" PvP games.



  • 1.2.3: Can now be crafted into Gemspark Blocks.
  • 1.2:
    • Amber introduced.
    • Appearance changed.
    • Can now be found as crystals on cave walls and in Gemstone caves.
    • Can now be used to craft Gem Grappling hooks.
    • Stack limit increased from 99 to 999.
    • Can now be placed.
  • 1.1: Can now be used to craft colored torches.
Amethyst.png Amethyst • Topaz.png Topaz • Sapphire.png Sapphire • Emerald.png Emerald • Ruby.png Ruby • Diamond.png Diamond • Amber.png Amber
Consumables: Healing Potion.png Potions ( Inferno Potion.png Buff Potions) • Shuriken.png Consumable Weapons

High Velocity Bullet.png Ammunition • Jungle Grass Seeds.png Seeds • Fallen Star.png Materials ( Feather.png Drops • Copper Ore.png Ores • Iron Bar.png Bars) • Red Paint.png Paint • Silver Coin.png Other

Tiles: Stone Block.png Blocks ( Red Brick.png Bricks) • Wood Wall.png Walls ( Cobalt Brick Wall.png Brick Walls)