The scientific definition of a crystal is based on the microscopic arrangement of atoms inside it, called the crystal structure What they are made of determines how it will form. A crystal is a solid where the atoms form a periodic arrangement
(quasicrystals are an exception, see below) Crystals come in many different shapes and sizes, and each one has different characteristics Not all solids are crystals.
Find the right crystal or stone for you by learning their healing powers. Crystal, any solid material in which the component atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry Crystals are classified in general categories, such as insulators, metals, semiconductors, and molecular solids. The crystal encyclopedia is the definitive guide to crystals, stones, and minerals
Find everything you've ever wanted to know about crystals! Crystals are nothing more than an ordered arrangement of molecules or atoms
