👉 Sylvinite is a type of cubic zirconia gemstone that has been known to have a unique appearance due to its sylphic or spiraling structure. It is typically found in the form of a very fine, translucent, and irregularly shaped crystal with a smooth surface and a characteristic, sometimes irregular, pattern of small, often circular, dark blue-blue-green crystals (also known as "sylph" or "sylphic") that are arranged in a spiral
