This guide details how to obtain and utilize Prismatic Shards in Stardew Valley, updated for version 1.6. Prismatic Shards are rare, rainbow-colored gemstones with multiple uses.

Prismatic Shard Locations:
Several locations offer a chance to find Prismatic Shards, although the probability varies:
- Mines (Bottom): 0.05% chance from monsters.
- Fish Ponds (Rainbow Trout): 0.09% chance from chum bucket (requires at least 9 Rainbow Trout).
- Skull Cavern: 0.1% chance from Serpents, Mummies, Wilderness Golems, and Iridium Golems (Combat Level 10+).
- Omni Geodes/Mystery Boxes: 0.4% chance inside.
- Golden Mystery Boxes: 0.79% chance inside.
- Iridium Nodes (Skull Cavern, Volcano Dungeon, Quarry): 3.5% chance.
- Treasure Chests (Skull Cavern): Approximately 3.8% chance.
- Mystic Nodes (Skull Cavern, Quarry, Mines - floors 100+): 25% chance.
- Meteorites: 25% chance from those landing on your farm.
- Volcano Dungeon (First Completion): One shard in a chest.
- Desert Festival (Emily's Stall): One shard for 500 Calico Eggs (if Emily has a stall).

The most reliable method is the Statue of True Perfection (obtained after achieving 100% perfection; see a separate guide for details), which yields one shard daily.
Prismatic Shard Uses:
- Museum Donation: Contributes to the "Complete Collection" achievement.
- Selling: 2000g each.
- Crafting & Bundles: Part of the Missing Bundle (JojaMart post-Community Center completion) and the Wedding Ring (multiplayer).
- Gifting: A "Loved" gift for most villagers (except Haley).
- Galaxy Sword: Transforms into this powerful weapon when used at the three obelisks in Calico Desert.
- Volcano Forge Enchantments: Used to enchant tools and weapons on Ginger Island.
- Trades: Can be traded for Magic Rock Candy (Calico Desert trader on Thursdays) or used in a sinister trade at the Witch's Hut.
- Quests: Required for Mr. Qi's "Four Precious Stones" quest.

This guide provides comprehensive information on acquiring and utilizing Prismatic Shards in Stardew Valley, enhancing your gameplay experience. Remember that obtaining them often requires patience and exploration.