This is such a unique and stunning Rainbow Calsilica ring! It has a lovely powdered blue with pretty colors on the side on this stone! Calsilica is a vibrant, man-made material with colorful layered patterns. Originally marketed as a natural gem from Mexico in 2002, investigations revealed it's composed of powdered minerals, pigments, and binding agents. Calsilica's vibrant colors, intricate patterns, and versatility in jewelry design make it a distinctive and eye-catching choice. Size 8 3/4 😀 Clean, Smoke-Free Home! 🚛 Fast Shipping! 👌 Fair offers accepted! 🌍 May use recycled or reused boxes, mailers, and packing materials.