This beautiful chain necklace features a genuine opal from Ethiopia, making each one unique with its own spectrum of colors. The size of the spheres within the stone determines the colors, with small spheres showcasing shades of blue and larger spheres displaying red and other hues. The opal's colors can shift and change depending on the angle and lighting, making it a truly captivating gem to behold. The necklace is made with a 14 karat gold filled 16" length chain that does not tarnish or wear off, and is nickel-free, making it suitable for even the most sensitive skin. It is handcrafted in Berkeley and comes in a gift box, ready for you to treasure.