Crystal
A crystal or crystalline solid is a solid material whose constituent atoms, molecules, or ions are arranged in an ordered pattern extending in all three spatial dimensions. In addition to their microscopic structure, large crystals are usually identifiable by their macroscopic geometrical shape, consisting of flat faces with specific, characteristic orientations.
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Famous quotes containing the word crystal:
“While that the sun with his beams hot
Scorched the fruits in vale and mountain,
Philon the shepherd, late forgot,
Sitting beside a crystal fountain,”
—Unknown. The Unfaithful Shepherdess (l. 14)
“It is crystal clear to me that if Arabs put down a draft resolution blaming Israel for the recent earthquake in Iran it would probably have a majority, the U.S. would veto it and Britain and France would abstain.”
—Amos Oz (b. 1939)
“Shall we gather at the river,
Where bright angel feet have trod;
With its crystal tide for ever,
Flowing by the throne of God?”
—Robert Lowry (18261899)