(n) :
a solid (mineral quartz or otherwise) composed of an array of atoms possessing long-rangeorder and arranged in a pattern which is periodic in three dimensions; a piece of glimmering, shining mineral resembling ice or glass
(n) :
a solid (mineral quartz or otherwise) composed of an array of atoms possessing long-rangeorder and arranged in a pattern which is periodic in three dimensions; a piece of glimmering, shining mineral resembling ice or glass
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