Crystal is composed of molecules, ions and atoms which are properly ordered to form a transparent internal structure. There are three most common types of crystals which are often used for experiments or you can do grow the at home; Alum Crystals, Salt Crystals and Sugar Crystals.
Growing Sugar Crystals Step 1 Dissolve 3 cups of sugar, preferably white, into a cup of hot water. Keep stirring until no sugar particles can be seen except for a sticky sugar solution. You may add food coloring to give a color you want. Step 2 Transfer the solution into a clean jar with smooth surface. Be sure that there are no sugar particles in the jar as you will be using it to grow your crystal. Step 3 Put a wooden handle or a rough line for you to hold once you want to pull out the crystal from the jar. Step 4 Put the jar in the place where it will not be disturbed. For other types of crystals see the following guides: How to Grow Salt Crystals How to Grow Alum Crystals
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