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:
“I’m headed for a land that’s far away
Beside the crystal fountains.
So come with me, we’ll go and see
The Big Rock Candy Mountains.”
—Unknown. The Big Rock Candy Mountains (l. 5–8)
“Come live with me, and be my love,
And we will some new pleasures prove
Of golden sands, and crystal brooks,
With silken lines, and silver hooks.”
—John Donne (1572–1631)
“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. 1–4)