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What is a Crystal?
Crystals are solids that form by a regular repeated pattern of
molecules connecting together. In some solids, the arrangements of the building blocks
(atoms and molecules) can be random or very different throughout the material. In
crystals, however, a collections of atoms called the Unit Cell is repeated in exactly the
same arrangement over and over throughout the entire material.
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Because of this repetitive nature, crystals can take on strange and
interesting looking forms, naturally. When we grow crystals we are separating all the
building block molecules into individual units in water and letting them fall naturally
into their appropriate place in the repetitive structure as the water evaporates.
Through these pages you can learn what
types of crystals there are, why different crystals have
different shapes and sizes, find out how light
affects the color of a crystal and how crystals form
and how they grow. Making Crystal Gardens is fun and
rewarding, so we've left you a few ideas along with other
Crystal growing recipes you can try - such as growing Crystals
on a String - that with a little patience and imagination you could suspend from the
ceiling as a mobile!
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