These tumbled agate chips are perfect for craft projects, terrariums, crystal grids, & more! you have the option to purchase these stones by weight in 2oz, 4oz, 8oz, & 16oz lots. Each stone is about 5-7mm big. Please note that I am using my stock photos. These crystals are natural & unique. The items you receive will look similar to the pictures but please allow for some variance. If you have any questions about this item, please feel free to ask! Agate Tumbled Gemstone Chips, Choose Amount