1. a pearl or something resembling a pearl
Usage: archaic; literary
2. a calcium aluminum silicate mineral that occurs in thin pearly scales
Usage: mineralogy

Examples

• The ancient text described margarites adorning the queen’s crown.
• Poets often used margarite as a metaphor for precious beauty.
• The geologist identified margarite crystals in the metamorphic rock sample.
• Margarite typically forms in aluminum-rich metamorphic environments.
• The mineral margarite has a pearly luster when freshly exposed.
• Literary works from centuries past frequently mentioned margarites as symbols of purity.