NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit – 3 lbs. of Rough Gemstones and Rocks for Tumbling Including Amethyst and Quartz – Rock Tumbler Supplies Include Rock Tumbler Grit and Jewelry Accessories

The NATIONAL GEOGRAPHIC Rock Tumbler Mega Refill Kit is a fantastic addition to any rock collecting fiend's collection. This kit Consists of 9 varieties of gemstones, including tiger's eye, amethyst, and quartz, providing a rich variety of colors and textures. The grit comes in four grades, with the right amount pre-measured for the tumbler's size, so even beginners can apply it easily. It includes detailed learning guidance to help budding geologists understand their rock specimens. Although we do not have information on the origin of the stones, we know they are genuine. Overall, the NATIONAL GEOGRAPHIC Rock Tumbler Mega Refill Kit is an excellent purchase for aspiring geologists. Although it may not be suitable for those who want a quick polish with regards to the time it takes, it is an ideal product for those who want to take the time and watch the process evolve.