Direct Answer
Do not use the Shovel or Gun on Crackstone because the current official Wiki says neither tool damages it. Every other digging tool is listed as able to destroy Crackstone in the current Early Access guidance. It drops nothing, so break it only as a terrain obstacle rather than farming it for resources.
What Crackstone is
Crackstone is categorized as both Material and Terrain in the official Wiki. It is a hard obstacle that requires a more advanced digging choice than the basic Shovel or Gun. Its listed HP is 1, but that number does not make incompatible tools effective.
Crackstone is not burnable and not meltable. Fire and temperature-state processing are therefore not documented solutions for removing it. The practical problem is tool compatibility rather than finding a heat or liquid recipe.
Tools that do not work
The current official Wiki explicitly says the Shovel does not damage Crackstone. It gives the same restriction for the Gun. Continuing to use either tool will not solve the obstruction under the documented live-version rules.
This limitation fits the broader Sandustry rule that different materials require different digging tools. Creator guidance also notes that harder materials can require tools such as the Rocket Launcher. For Crackstone specifically, use the current Wiki's broader compatibility statement rather than guessing from appearance.
Tools that can break Crackstone
The current Early Access Wiki says all other digging tools can destroy Crackstone. That means the answer is not limited to one named launcher in the live guidance. Choose an available digging tool that is neither the Shovel nor the Gun.
The supplied material does not list a speed comparison for every compatible tool. It also does not establish one universally best Crackstone tool for cost, area, or efficiency. Those rankings remain To be confirmed and should not be replaced with invented damage values.
Why older advice says Rocket Launcher
Older Steam discussions from the Demo era specifically recommended the Rocket Launcher. That advice can still explain why many search results name one tool, but it is narrower than the current official Wiki. The live Early Access guidance now says every digging tool except Shovel and Gun can destroy Crackstone.
When old demo information conflicts with current official documentation, this page follows the current version. A demo player may still see different behavior, but exact demo compatibility is To be confirmed here. Always match the guide to the version shown in the game listing.
Does Crackstone drop anything?
Breaking Crackstone yields nothing according to the official material. It should be treated as terrain that blocks movement, excavation, or construction, not as a resource deposit. Clearing it creates access or space rather than a production input.
Because it has no drop, there is no verified Crackstone farming chain, storage requirement, or refining recipe. Claims about Crackstone ore, Gold output, or special byproducts are unsupported by the supplied research. Any future use would be To be confirmed until added to an official page or update.
How Sandustry materials behave
Every pixel in Sandustry can have its own physical properties, and resources may be solid, liquid, gas, Wisp, terrain, or non-physical currency. Heat can move a solid toward liquid or a liquid toward gas, while cold structures reverse those state changes. Individual resource pages must still follow their specific burnable, meltable, wettable, density, and tool rules.
The Material Scanner upgrade helps reveal how a resource can be refined or used in another process. Creator evidence shows why this matters: fire can affect Slag while not affecting Spores, and different hard materials need different digging tools. Exact interactions not named by the supplied sources remain To be confirmed.
Transport depends on matter type
Conveyor Belts and Launchers are the primary verified tools for moving many solid resources. Filters separate mixed solid piles with Allow and Block rules, while Advanced Filters later extend that behavior to solid, liquid, and gas resources. Amethelis is also launchable and can be moved in large piles with an Aerokinetic Fan.
Pumps, Pipes, and Liquid Vents move fluids other than lava. A shared pipeline can carry multiple fluids, but the vent cannot filter them and prioritizes the closest liquid. Water may also pass through many building blocks, making material-specific containment part of logistics design.
Resources connect progression systems
Water and Sand produce Wet Sand, which can later yield Gold and Residue. Water and Seed produce Wet Seed, which grows into a Flower and supplies Amethelis plus Gold. Amethelis then supports the Dry Amethelis, Florin, Florinol, Battery, and Energy chain.
Fluxite serves Upgrades and later becomes producible from Voidbloom through a Flux Emanator. Artifacts follow a different route because they are exploration and progression finds rather than ordinary Materials. Aura is also distinct because it is a non-physical late-game currency created through Auralite Crystals and nanobots.
How uncertain values are handled
The supplied research confirms selected recipes, outputs, costs, drop heights, densities, and tool restrictions. It does not provide every timing, throughput, map coordinate, spawn chance, or optimal machine ratio. Missing values are marked To be confirmed rather than estimated from visual footage.
Official Wiki information takes priority over older Demo discussions when the two differ. Creator layouts remain useful for showing possible automation patterns, but their dimensions and labels are not automatically universal. This lets each resource page integrate multiple sources without blending verified facts with assumptions.
Use this guide with the current Early Access build
Sandustry entered Early Access on August 13, 2026 and continues to receive official updates. The current official Wiki is the primary gameplay reference when it differs from an older Demo discussion, while Steam and Xbox listings are the primary platform references. A creator video can demonstrate a working layout, but it does not automatically establish a universal value or current-version rule.
Check the page's verified sources when an update changes a recipe, cost, tool restriction, platform feature, or interface path. This guide preserves confirmed numbers only where the supplied research names them and labels unresolved details To be confirmed. That approach keeps the answer usable for search while preventing an unsupported count, character name, redeem code, command, or production ratio from becoming false guidance.
Verified sources used
This page filters and consolidates the supplied research. Any detail not established by those sources is marked To be confirmed.