TEMPORARY LIMITED QUANTITY AVAILABLE, PLEASE ALLOW A MINIMUM 1-2 WEEKS FOR DELIVERY - 9-15 MATCHING PAIRS each measuring between 2.5 to 6 inches in diameter with the smaller diameter pairs used to fill holes in the flat. Most are quartz lined but some do have calcite and/or pyrite as well or may be lined with calcite entirely. No chalcedony geodes. Pairs are all taped back together for safer shipment. NOT eligible for USPS Flat Rate shipping. Please select Fedex Ground/Home Delivery shipping option ONLY. Shipping weight approximately 17-18 pounds per flat.