She knew the message, for it passed through her as well as the crystal.

Through the hard crystal of the door he saw her step close.

Light that passes through the crystal is sometimes changed in color as it bounces around inside.

Being confined here on duty, I heard him through the crystal.

Either that or send an emergency call through the crystal in his brain.

Having spoken through the crystal, he used hand signals, too.

Will cut through the crystal in one movement and reached in to help the angel out.

This has consequences for the frequencies of sound that can travel through the crystal.

With surprise, the ship simply entered and passed through the crystal.

It was almost as though the computer itself, working through the crystal in his brain, had spoken to him.