Geodes UV (closed), Mexico - 100 pounds* Rutilated These colors often form swirling

These colors often form swirling patterns within the stone

while the blue hues can come from other minerals like glaucophane or kyanite

Large to Medium Pieces

depending on its specific variety and formation

Geodes UV (closed), Mexico - 100 pounds* Rutilated These colors often form swirlingLocality: Sonora, Mexico Short wave UV botryoidal Chalcedony. Mixed quality. Hollow not guaranteed. Each geode is unique! *each pound requires 1. 5 pounds of shipping space* The fluorescent or phosphorescent properties of UV geodes are primarily attributed to the presence of specific minerals or compounds. Examples include fluorite, calcite, willemite, and various forms of quartz. Color: The color of UV geodes can vary depending on the minerals