Yooperlite Gemstone Dice Museum Exclusive Opal is a hydrated silica

Opal is a hydrated silica mineral (SiO₂·nH₂O) with a unique internal structure that diffracts light to create its vibrant color flashes

the history of astronomy

Includes multiple carved figurines made from natural gemstone materials

using clear and accessible Earth science concepts

or field supplies with ease

Yooperlite Gemstone Dice Museum Exclusive Opal is a hydrated silicaIlluminate your gameplay with these Natural Yooperlite Stone Dicegorgeous stones that glow when exposed to ultraviolet light. Hand polished and each uniquely patterned, they offer a striking blend of natural beauty and interactive fun. Whether displayed in UV or rolled in low light, these dice bring a bright splash of wonder to your tabletop sessions. Why Youll Love This Made from authentic Yooperlite, featuring natural agate, calcite, and sodalite