Crystal

Crystal may refer to:
 * - a block that gradually grows on Pearlstone.
 * - a block crafted from Stone Blocks and Crystal Shards.
 * - a wall crafted from Crystal Blocks.
 * - a background object that drops a Life Crystal when destroyed.
 * - a bullet crafted from Musket Balls and Crystal Shards.
 * - an item bought from the Tavernkeep which summons the Old One's Army when placed on an Eternia Crystal Stand.
 * - an item bought from the Tavernkeep which allows the Eternia Crystal to be placed.
 * - a summon weapon dropped by Moon Lord that summons a crystal which fires rainbow beams at enemies.
 * - a piercing magic weapon similar to the Vilethorn.
 * - a spell tome magic weapon which fires crystals.
 * - an item crafted from Fallen Stars which increases maximum Mana when consumed.
 * - a special dart which is unaffected by gravity and ricochets like Chlorophyte Arrows.
 * - an item which drops from Crystal Hearts that increases maximum life.
 * - a rare magic weapon fished in the Hallow which fires a beam that explodes on impact.
 * - a furniture item that grants the Clairvoyance buff when used.
 * - a buff activated by the set bonus of Chlorophyte armor, summons a leaf crystal that fires green beams at enemies.
 * - the Hallowed variant of the Sand Shark.