Amethysts, citrine, blue topaz -we're selling many more than we would have five years ago.

A blue topaz on her tanned, wrinkled finger was easily fifty carats.

Luna fetched a small blue topaz, a pretty but not truly precious stone.

Gamma-induced molecular changes can also be used to alter the properties of semi-precious stones, and is often used to change white topaz into blue topaz.

The firebird cried a blue topaz.

CZ, Winter thought automatically--the pendant was far too brilliant to be blue topaz.

Naturally occurring blue topaz is quite rare.

Black onyx, yellow citrine, green chyrsopase, red garnet and blue topaz represent all the regions in the world.

Boomer had already appraised the trio of rings on Bess's right hand, and the blue topaz drops at her cars.

The amethyst, the peridot, the blue topaz, the citrine.