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.
Read more about Crystal.
Famous quotes containing the word crystal:
“A crystal of breath,
your irreversible
witness.”
—Paul Celan [Paul Antschel] (1920–1970)
“But the thing that I saw in your face
No power can disinherit:
No bomb that ever burst
Shatters the crystal spirit.”
—George Orwell (1903–1950)
“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)