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An experiment that you can do to model this phenomenon, and there is a good chance that you have done this before, is to take a pot of water and bring it almost to boiling. Then take it off the stove/heat source and pour it into another heat safe container, if you desire (for ease of cleanup, it's better if you can throw it away). Now start to slowly pour salt in while stirring, pouring as much in as possible but stopping before the solution becomes over-saturated (when grains of salt begin to collect on the bottom and won't dissolve). Set this solution preferably in a warm, sunny for a few days until all the water evaporates, though a cooler, more shaded place will work, as well. Once all the water has evaporated, a crystal matrix of salt crystals may have formed or simply a white crust of salt crystals (which, unfortunately, is probably more likely). If you don't feel like waiting, you could always make the solution in the pot and keep it over the stove/heat source until it boils down. I don't really recommend this, though, for a few reasons...-The salt might take a while to dissolve again, unless you scrub it, which would still probably be a little difficult (and could damage a non-stick pot)-If it is a non-stick pot: -The finish on it could be damaged -Toxic fumes can be produced from the non-stick coating of pots if they are heated without liquid in them