This item is discontinued and no longer availableStock Up with National Geographic’s Raw Gemstone Refill Kit. This Gemstone Refill Kit Includes: 9 types of raw gemstones (1 lb in total), 4 courses of polishing grit, 6 jewelry fastenings, 1 learning guide The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.