This collection features an assortment of beautiful petrified wood, silica, quartz, conglomerate, agate, and chalcedony specimens. Each piece is a unique representation of nature's beauty and intricacy. The collection includes rough materials for cabbing and lapidary, making it perfect for hobbyists and professionals alike. The variety of colors and textures in this collection make it a must-have for anyone interested in geology or who simply appreciates the natural world. These specimens are perfect for display, meditation, or healing purposes. Add this stunning collection to your own or give it as a gift to a loved one.