These Agate Bookends are dyed and polished to reveal naturally occurring patterned rings and a wide range of hues. Agates are excellent grounding stones, promoting emotional, physical, and intellectual balance. Each of these are subtly one of a kind and can bring a little jewel-toned beauty to bookshelves, desks and consoles. The bookends were made in Brazil The one with more brown measures approximately 4 1/4" high, 4" wide and 1 3/4" deep. The one with grays and white is about 4 1/4" high, 3 1/4" wide and 1 5/8" deep.