labradorite
/ˈlæbrəˌdɔraɪt/
noun
- A type of feldspar mineral that often shows a colorful, iridescent play of colors, used as a gemstone.
- Labradorite is popular in jewelry because of its unique flash of colors.
- Her necklace was made of polished labradorite that shimmered blue and green.
- The rock collector added a piece of labradorite to his mineral display.