A striking specimen of prehnite crystals perched on native copper matrix from Michigan's legendary White Pine Mine. The delicate pale green prehnite formations contrast beautifully against the rich reddish-brown copper base, creating a visually compelling display piece. This classic American locality specimen showcases the geological richness of Ontonagon County's historic mining region. Ideal for collectors seeking authentic Michigan minerals with excellent color contrast and well-defined crystal structure. Approximately 6x7x7cm.
