11.   Finally, crystallization occurs preferentially along a single crystal axis and large pressures can be generated within rock fractures.

12.   The accuracy comes from literally counting the number of atoms in a single crystal of silicone and weighing it.

13.   And that, Cohen says, suggests that most of the inner core may be a single giant crystal rather than a mass of tiny ones.

14.   Emeralds, in other words, are yin and yang in a single crystal.

15.   Since the brittlestar lenses are single crystals, there is no distortion.

16.   Telecommunications, software, forms of entertainment and the Internet, are gradually become different facets of a single crystal.

17.   Scientists have found what the Northern Territory government said Thursday could prove to be the largest known single crystals in the world.