Category details
Categoryopal
SourceArt & Architecture Thesaurus
Overview
A mineral or mineral gel consisting of packed spheres of silica. Used as a gemstone, it is characterized by a flashing mixture of colors when light falls on the surface.
Free museum entry for New Zealanders and people living in New Zealand
Open every day 10am-6pm
(except Christmas Day)
Free museum entry for New Zealanders and people living in New Zealand