Limestone Stardew: How to Find the Elusive Mineral!
Limestone is a mineral obtained by breaking open Geodes and Omni Geodes in Stardew Valley. This guide describes its verified uses and the save values used by geode predictors in the locally installed game version, 1.6.15.
Stardew Valley: Limestone’s Many Uses
In Stardew Valley, Limestone is more than just a stone. Although it doesn’t find its way into bundles or recipes, its multifaceted use keeps players on the lookout for this rare find. Here’s why it’s sought after:

Stardew Valley Limestone
- Sewing Machine Creation: Combine Limestone with Cloth in the spool of the Sewing Machine to create a Shirt.
- Gray Dye: It’s the go-to item to create gray dye for dyeable clothing items.
- One possible Lake Fish Pond request: A pond whose fish match the
fish_lakedata tag can randomly request one Limestone at the population 5 gate to unlock capacity 7. The same gate can instead request 1–2 Earth Crystals or 2–3 Common Mushrooms. Limestone is not required by every Fish Pond.
Finding Limestone: Strategies and Frustrations
Limestone’s rarity has led players to seek different methods to obtain it:
- Geodes and Omni Geodes: While some have found success in cracking open Geodes and Omni Geodes, others have vented their frustration at going through hundreds of Geodes without success.
- Cheat Codes: The item code
[571]can be used to spawn Limestone. Though not a conventional method, some players resort to cheats when luck runs dry. - Stardew Valley Predictor: A digital tool that predicts the contents of a Geode, guiding players in their pursuit.

Geode Opening
Utilizing Pseudo-Random Strategies to Obtain Limestone: A Detailed Guide
In Stardew Valley, the content of Geodes and Omni Geodes can be predicted through the use of a Pseudo-Random Number Generator (PRNG).
Example Steps:
- Use the correct save data: The installed game’s
Utility.getTreasureFromGeodelogic seeds normal geode results from the number of geodes already cracked (GeodesCracked), the save’s unique game ID, and the relevant multiplayer/player identifier. - Do not use Daily Luck as a geode input: Daily Luck is not read by this geode-selection code. A compatible predictor normally reads the required identifiers and counters from an uploaded save rather than asking you to copy Daily Luck.
- Strategically Open Geodes: If the tool indicates that a particular Geode will contain Limestone, you can specifically seek out and open that Geode.

Conclusion
Limestone is useful for tailoring and gray dye, and it can appear as one of several requests for a specific Lake Fish Pond population gate. If you use a predictor, make sure it supports your game version and reads the save’s geode counter and identifiers; changing Daily Luck does not change the normal geode sequence.
Embrace the challenges, explore the caves, crack open those Geodes, and who knows? Maybe that next swing of the pickaxe will reveal the elusive Limestone.