1. a type of feldspar mineral that displays a colorful iridescent optical effect
Usage: geology; mineralogy

Examples

• The labradorite specimen showed brilliant flashes of blue and green when held up to the light.
• Jewelry makers prize labradorite for its stunning play of colors.
• The geologist identified the rock sample as containing labradorite crystals.
• Labradorite was first discovered in Labrador, Canada, which gives the mineral its name.
• The museum’s mineral collection featured a large piece of labradorite with spectacular iridescence.
• Many people believe labradorite has mystical properties, though this is not scientifically proven.