Amber is fossilized tree resin used as an organic gemstone and archaeological material.

Cat's-eye chrysoberyl is chrysoberyl displaying a strong chatoyant eye caused by aligned inclusions.

Cat's-eye quartz is quartz showing a chatoyant eye caused by aligned fibrous or needle inclusions.

Cymophane is the traditional mineralogical name for cat's-eye chrysoberyl.

Golden healer quartz is a trade term for quartz with yellow-gold iron-oxide coloration.

Sphalerite is a zinc sulfide mineral prized by collectors for exceptionally high fire.

Yellow topaz is a durable topaz color variety used in faceted jewelry gems.