aventurescence


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a·ven·tu·res·cence

 (ə-vĕn′chə-rĕs′əns)
n.
An optical effect characteristic of some translucent minerals, such as aventurine, caused by the presence of tiny, aligned inclusions of other minerals and manifesting itself as brightly colored reflections.

References in periodicals archive ?
24, as museum docent and gemologist Sakina Bharani discusses the different light effects in gems that create phenomena such as stars, cat's eyes, adularescence and aventurescence.
Their highly reflective surfaces produce optical effects such as aventurescence in oligoclase, often called sunstone (Gubelin and Koivula, 1986, pp.
24, as museum docent and gemologist Sakina Bharani discusses the light effects in gems that create phenomena such as stars, cat's eyes, adularescence and aventurescence.
Sakina Bharani, gemologist and museum docent, will discuss the different light effects in gems that create beautiful and rare phenomena such as stars, cat's eyes, adularescence, aventurescence and more.