An art deco style necklace crafted from sterling silver featuring an oval shaped faceted tanzanite gemstone decorated with glimmering marcasite gemstonestanzanite informationnumber of stones 1stone shape ovalstone size 4mm x 3mmcarat weight 018ctnaturalcreated natural tanzanitecountry of origin tanzaniamarcasite informationnumber of stones 3stone shape roundstone size 120mmcarat weight 003ctnaturalcreated natural marcasitecountry of origin austria