Premium Quality Pair of Blue Agate Bookends 9 to 11 lbs per set XXL Size tumbling rough Please note that the average jewelry making Please note that the average weight per set with our medium size bookends is 5 7 pounds and these are designed to handle medium books Many find that having amethyst close increases their charisma and gives them a more likeable personality when dealing with others When you order you will receive one pair of these spectacular agate book ends which are similar to the book ends shown in our images Because each piece starts with a completely natural earth mined agate nodule which is dyed to add color every piece is special and unique and no two are exactly alike