The Eye of the Moon was to be a magical crystal, or jewel, that allowed its owner to look into the future.

"These magical crystals embedded themselves on the inside of a piece of wood moving away at 5,000 feet per second," Mr. Tritico said.

Beacons - Beacons are magical crystals that can benefit the warrior greatly.

Ioneos is like Kuon's "older brother," as he and Kuon are created from the same type of magical crystal.

Its magical crystal burned with a cold, pale light, like the light from Solinari, Palin thought.

The beauty and harmony of the kingdom are protected by seven magical crystals, which sit on the spires of the castle.

No papers, no scrolls or books, no magical crystals that shot lines of fire.

The Vikings took a seemingly magical crystal, known as sunstone, on their voyages.

She spots a magical crystal within the hollow of a nearby tree and takes it out.

Special magical crystals, engineered by the elven wizards, could increase or decrease their own mass on command.