Bronze Locket Amethyst Opal With Butterfly Charm About The Locket: ~ Measures 20mm x 30mm (see photos for size comparison against American quarter) ~ Lead Free, Nickel Free, Brass, Bronze Tone About The Opal: ~ The opal is generic (man made stone) ~ This is an Amethyst opal (more specifically, the opal is a mix of colors with some Purplish Amethyst shades) About The Chain: - Antiqued Brass - YOU CHOOSE YOUR CHAIN LENGTH (choose from the drop down menu tool during checkout) ☻ Link To More Locket Amber Pendant Locket Jewelry, Amber Locket Jewelry As A Gift, Amber Locket Jewelry For Gift, Spiritual Bronze Oval Jewelry, Spiritual Oval Bronze Jewelry, Victorian Oval Nickel-free Necklaces, Antique Gold Oval Pendant Necklace With Locket, Antique Gold Necklace With Oval Locket Pendant, Vintage Oval Jewelry With Adjustable Chain