Carbonate minerals are supersaturated in the surface ocean but are undersaturated in the deep ocean. Certain candies are made by crystallizing supersaturated solutions of sugar. The supersaturated solution can then return to the metastable region. The cooled metal vapor becomes supersaturated, condensing in cluster form. Controlling the crystallization of the supersaturated sugar solution is the key to making smooth fudge. As nucleation only occurs when the air is supersaturated, formula 30 is always negative. Small particles precipitated from supersaturated solid solution usually have coherent interfaces with the matrix. When water is supersaturated in the troposphere, the formation of ice lattices is frequently observed. Precipitation may also occur rapidly from a supersaturated solution. As far as tiny nuclei are concerned, the vapour would not be supersaturated at all. Once a droplet has frozen, it grows in the supersaturated environment. Crystals formed in supersaturated air trend more towards lacy, delicate and ornate. The magma is at this point already supersaturated. The carbonation of water is also reliant upon the behavior of supersaturated solutions. This forces the solution into a supersaturated state, creating honey.