About This Item An art deco inspired octagon cut of black onyx, set in a border of black Enamel with marcasite embellishments. These earrings have a post and butterfly and are suitable for pierced ears only. Gemstone Information Onyx can occasionally be found with bands of colour that are much straighter than those found in agate. Onyx is the traditional gemstone gift to give for a 7th anniversary. Ancient cultures used to carve cameos of gods and mythical heroes into Onyx, and carry them for courage. Jewellery Collection Gemondo\'s Art Deco Inspired Collection emulates the elegance and stylish times of the 1920s. These designs show off gemstone embellishments across iconic shapes, perfect of lovers of vintage glamour. Product Code 214E868104925 Dimensions Width - 9mmHeight - 14mm Material 925 Sterling Silver Gemstone Details 2 x Onyx - 0.46ct - Oval Cut - 6x4mm4 x Marcasite - 0.036ct - Round Cut - 1mm Gemstone Country of Origin Onyx - BrazilMarcasite - Austria