Crafted from sterling silver this art nouveau style necklace features a marquise shaped faceted green mint quartz gemstone with a strip of sparkling marcasites abovemint quartz informationnumber of stones 1stone shape marquisestone size 12mm x 6mmcarat weight 166ctnaturalcreated natural mint quartzcountry of origin brazilmarcasite informationnumber of stones 8stone shape roundstone size 170mmcarat weight 022ctnaturalcreated natural marcasitecountry of origin austria