(organic chemistry) An anthraquinone present in Cassia occidentalis

plural of aurora bluetail

A species of very small coenagrionid damselfly, Ischnura aurora, distributed from India east to the central Pacific, including Australia.

Synonym of angel aura

Quartz artificially coated with metal to give it a pale iridescent sheen.

Synonym of rainbow quartz

Synonym of angel aura

A form of quartz bonded with a metal, often gold, to give it a bright blue appearance.