noun
- a pale yellow metallic mineral consisting of iron disulfide, used in jewelry and ornamental objects
- jewelry made from or decorated with marcasite or similar metallic stones
Examples
- The antique brooch was decorated with marcasite stones.
- Marcasite jewelry was particularly popular during the Victorian era.
- The mineral marcasite has a distinctive brassy luster.
- She wore a beautiful marcasite necklace to the formal dinner.
- The geologist identified the specimen as marcasite rather than pyrite.
- Vintage marcasite earrings are highly sought after by collectors.