I got a rock tumbler and after going through the four phases, the rocks are smooth but not shiny. Is there an extra step I missed or am missing? - Quora
![Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Grit, 1.5 Pounds of Ceramic Pellets, GemFoam Polishing Tumbling Media For 8 years and up : Toys & Games Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Grit, 1.5 Pounds of Ceramic Pellets, GemFoam Polishing Tumbling Media For 8 years and up : Toys & Games](https://m.media-amazon.com/images/I/91zylpQERIL.jpg)
Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Grit, 1.5 Pounds of Ceramic Pellets, GemFoam Polishing Tumbling Media For 8 years and up : Toys & Games
![Best rock tumblers to buy in 2024 - rock polishers for beginners and professionals - BBC Science Focus Magazine Best rock tumblers to buy in 2024 - rock polishers for beginners and professionals - BBC Science Focus Magazine](https://c02.purpledshub.com/uploads/sites/41/2023/04/Untitled-3--2in-2023-04-25T181355.659-327e721.jpg?webp=1&w=1200)