Beyond it was a long, ironwood table, in the center of which rose a crystal pyramid, one meter on a side.

She was waiting for a flicker of movement in the surface of the crystal pyramid.

Now, towering above him, was a gleaming black crystal pyramid over fifty feet high and nearly a.hundred feet 486 wide at the base.

After some years had passed, the crystal pyramid which is his prison was taken out of the Black Lake by Malko.

Perhaps you understand now why that crystal pyramid was set upon the Moon instead of on the Earth.

'I'd rather trust a man than a crystal pyramid,' smiled Count Brass.

She laid her crystal pyramid on top of the nearest computer console.

"Anyway," she informed Shannon, giving the crystal pyramid an affectionate pat.

Are you saying this lost race could dive to the ocean bottom and carve letters on a crystal pyramid?

Pausing, she picked up a crystal pyramid and watched the colors run through it.