Discover a rock or minerals hardness with ease using our Copper Mohs Hardness Tool, a vital tool for any rockhound. Reflecting a hardness of 3.5 on the Mohs scale, it's perfect for identifying rock hardness on the go. Compact and durable, it easily attaches to your gear, ready for your next adventure.
📚 Pair it with our comprehensive guidebook, the Rock Your World: Rock Id Guide (available separately) to deepen your rock knowledge. Together, they're your ultimate rockhounding duo!
📚 Pair it with our comprehensive guidebook, the Rock Your World: Rock Id Guide (available separately) to deepen your rock knowledge. Together, they're your ultimate rockhounding duo!