Arrowhead Arrowhead Assortment - Large 3.5 INCH AGATE SIZE (BAG 25)3. 5" overall. Contains 25 pieces. Assorted shapes and colors. These collector's arrowheads are handmade in India from agate and jasper agate. Agate is a microcrystalline variety of quartz, characterized by the fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are usually associated with volcanic rocks and are common in certain metamorphic rocks. Please NOTE: All SIZES listed are approximate and