Crystal

From Tardis Wiki, the free Doctor Who reference
For the person called Crystal, see Crystal (The Ultimate Adventure).

Crystals had a great variety of valuable (and in some cases, strange) uses.

Overview

Crystals with unusual properties

Radiation and/or luminiscence

Time travel and time manipulation

Communication

Psychic energy

Unspecified powers

Other uses for crystal

The Crystal Bucephalus, a restaurant, was so-named because of its sculpture of the legendary horse of the same name. (MA: The Crystal Bucephalus)

Crystal