Nothing elevates your mind like books. So why not elevate your spirit and mind at once by placing these Agate Bookends on your shelf? These weighty carved crystals will hold your books in place and bring a natural beauty to your decor. Agate is a stone believed to inspire deeper concentration and mental capacity—the perfect energy for your reading nook! Made from natural agate formations, each set will vary in color from white to light blue, gray, and brown.