The product is a unique 3.5" etched fluorite on quartz crystal specimen from the La Lupita Mine in Durango, Mexico. Known for its natural shape and fluorescent properties, this rare mineral specimen showcases the beauty of nature and the geological history of the region. Ideal for collectors and enthusiasts, this piece offers a stunning display of the interplay between light and minerals, making it a valuable addition to any collection. Approximate measurements 3.5x2.5x1.25 inches. 7.4 ounces.