Editing Iridescence (section)

== Pearlescence ==
[[File:Black pearl and his shell.jpg|thumb|The pearlescent shell of a [[black-lip pearl oyster]]]]
Pearlescence is an effect related to iridescence and has a similar cause. Structures within a surface cause light to be reflected back, but in the case of pearlescence some or most of the light is white, giving the object a [[pearl]]-like luster.<ref name=pearleasence>{{cite book|author=Ruth Johnston-Feller|title=Color Science in the Examination of Museum Objects: Nondestructive Procedures|url=https://books.google.com/books?id=HtoxCwAAQBAJ&pg=PA169|year=2001|publisher=Getty Publications|isbn=978-0-89236-586-9|pages=169–}}</ref> Artificial pigments and paints showing an iridescent effect are often described as pearlescent, for example when used for [[car paint]]s.<ref name=paint>{{cite book|title=Paint and Coating Testing Manual|url=https://books.google.com/books?id=ri6FkY2xvgcC&pg=PA229|publisher=ASTM International|pages=229–|id=GGKEY:7W7C2G88G2J}}</ref><ref>{{Cite web |date=2023-04-20 |title=Powder Pearls Manufacturing: A Comprehensive Guide |url=https://thecandeshop.com/powder-pearls/ |access-date=2025-02-28 |website=thecandeshop.com |language=en-US}}</ref>