Each geode measures roughly 2.00 inches in diameter with a general range of 2.00-2.25 inches (these geodes run a little big). Guaranteed at least 90% hollow, meaning 9 out of 10 geodes will contain an open pocket with quartz crystals (see photographs of sample geode interiors). Price per geode is $3.00 plus shipping. Free shipping for all United States orders over $100 with flat, tiered rate shipping below $100. An instruction card on how to open geodes and an informational card about these geodes will be included with every order. Equivalent to website stock number #SON 200.