This Vintage 10mm Round Chalcedony Aventurine Quartz Necklace features hand-knotted beads with a unique push lock closure. Hand-knotted with green chalcedony and aventurine stones, this 22.5" necklace is perfect for all occasions and has a vintage charm. The beaded style and nature theme make it a charming addition to any woman's wardrobe. This original piece is sure to make a statement with its striking green color and round stone shapes.