What solute property towards a solvent causes recrystallization to occur?
The coolness of the solution causes recrystallization. This is because the solute becomes solid at a higher temperature than the solvent.
Only the action of erosion causes erosion, but water itself causes weathering: Erosion Oceans Rivers Glaciers Weathering Freeze-thaw Solution (Dissolving) Acid Rain Water has no particular property which causes erosion, but its properties do cause weathering: when it freezes it expands, hence freeze-thaw weathering; it is a good solvent, hence it can dissolve soluble minerals, as well as acid, causing acid rain.
That would be universal gravitation, a property of space which . . . within the range of temporal and spatial dimensions that lie between the realms of general relativity and quantum mechanics . . . causes a mutual force of attraction between every two mass objects. But you can just call it "gravity".