Earrings by Antonella Giomarelli These beautifully detailed earrings resembling fragments of rock are cast from shattered pieces of jet. Designed and handmade by Antonella Giomarelli. Features Primary Material : sterling silver Fitting Type : Post Dimensions (mm) : 12x8x6 One of a Kind : No Hallmarked : No Wire Material : silver Cleaning InstructionsThese earrings can be cleaned with a soft old toothbrush and warm soapy water, or silver dipped to remove stubborn tarnish.