Learning about the hardness, color and streak of minerals is what the Mohs Hardness Test Kit is all about.
This kit includes:
- 9 mohs mineral samples to test, individually bagged and labeled
- 2 streak plates, white and black
- Glass scratch plate
- Mohs hardness at a glance reference card (with representative samples glued to the card)
- Sturdy carrying case, with plenty of room to add other samples to your collection!