Brass and silver locket chains are available in labradorite, freshwater pearls,14kt gold-filled, and sterling silver. The glass is encased in brass or sterling silver. The round pendant is 25 mm in diameter; the square pendant is 23 mm across Available in lengths 26 and 34 inches (Note: the labradorite and pearl chains do not have a clasp, they slip right over the head - if you would like one just let me know and I'll put one on at no extra cost) Starting at $123.99 The glass locket necklace has Elegant Glass Jewelry For Keepsakes, Vintage Clear Glass Necklaces, Vintage Glass Necklace Nickel Free, Vintage Glass Nickel-free Necklace, Vintage Nickel-free Glass Necklace, Vintage Clear Glass Necklace, Vintage Clear Pendant Necklace, Vintage Clear Necklace For Gift, Glass Keepsake Jewelry In Clear