Easy Crystallizations.

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Saturate water kept boiling with alum; then set the solution in a cool place, suspending in it, by a hair, or fine silk thread, a cinder, a sprig of a plant, or any other trifle. As the solution cools, a beautiful crystallization of the salt takes place upon the cinders, etc., which are made to resemble specimens of mineralogical spars.


                                                                                                                                                                                                                                                                                                           

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