We included opal inlay in many of our Historical Designs inspired jewelry collection. The color of the opal jewelry changes depending on the angle of its light reflection. When the opal is rotated, the color dances with a rainbow magic sparkle throughout the stone. Horus, the son of Isis and Osiris, was the falcon god who flew between heaven and earth, bringing help and justice to the world of humans. Isis ruled the Universe and Osiris ruled the Afterlife, but their son Horus was in charge of the solar system, the sky, the earth and its people. Material: Gold Filled Silver 925K (10% Gold out of the weight) Gold-filled jewelry is a great economical alternative to solid gold. If taken care of, it can last as long as solid gold and won't tarnish or rub off. The downside is that if you were to resell your gold-filled jewelry, it would not have as much value as solid gold jewelry. Please contact us if you have any question, Thank you for visiting our shop.