Metal: Alchemia Lead Free, Nickel Free, Hypoallergenic Baked lacquer finish to protect metal from turning or tarnishing Smoky Quartz : Approx. 1.2cm x 1.2cm Nodule: 3cm x 2.5cm Length of Pendant including Bale: Approx. 7cm All pieces are stamped or hallmarked for authenticity Handcrafted and artisan made