This stunning art deco necklace is crafted from sterling silver and features a thorn shaped carnelian gemstone topped with an ornate sterling silver motif and is decorated with sparkling marcasite gemstonescarnelian informationnumber of stones 1stone shape pearstone size 20mm x 5mmcarat weight 150ctnaturalcreated natural carneliancountry of origin brazilmarcasite informationnumber of stones 18stone shape roundstone size 5 x 130mm 7 x 120mm 6 x 090mmcarat weight 022ct