54" Marcasite Mother-of-Pearl Pendant/Enhancer Necklace. This marcasite enhancer is crafted in an openwork flower-burst design. This marcasite enhancer is crafted in an openwork flower-burst design. The luminous mother-of-pearl center coordinates with pink and white freshwater pearls on the sterling silver necklace. Freshwater pearls measure approximately 5.0mm, 6.0mm, and 7.5mm Measurements: ...