A crystal is a solid where the atoms form a periodic arrangement Check out our extensive guide to crystal meanings & stone properties with beautiful pictures (quasicrystals are an exception, see below)
The quartz crystal -- what's so special about it?
Not all solids are crystals.
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 lake is 54 acres and has a maximum depth of 32.8 feet There are extensive wetlands north of the lake A private, gated residential community surrounds the lake on the remaining three sides.
The crystal encyclopedia is the definitive guide to crystals, stones, and minerals Find everything you've ever wanted to know about crystals!
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