Crafted from sterling silver these art nouveau style drop earrings feature a black onyx gemstone adorned with sparkling marcasitesthese earrings have a post and butterfly clip and are suitable for pierced ears onlyblack onyx informationnumber of stones 2stone shape marquisestone size 10mm x 4mmcarat weight 190ctnaturalcreated natural black onyxcountry of origin brazilmarcasite informationnumber of stones 36stone shape roundstone size 2 x 130mm 4 x 1mm 30 x 090mmcarat