Coober Pedy crystal opal and Tennant Creek gold nugget - a beautiful combination of two elements. Red, orange, green and blue flashes in an oval shape 3.5 x 4.5mm and .5carats in weight. The nuggets are 1.4grams. Bezel set in 18Kt yellow gold. Size of the earrings 5.5mm and length 10mm. Weight 2grams.