Black Tourmaline Rock + Dude Rocks Card

The Black Tourmaline Rock comes with a Dude Rocks informational card for your son to learn more about the stone. Here is what it says:

Black Tourmaline is also known as Schorl, which is named after a town in Germany where it was first mined. It can also be found in the US, Brazil, and Madagascar. Black Tourmaline grows in a triangular shape often in bands that look like long tubes. It has a reflective surface and has electrical properties that are useful to industries looking to control static electricity.