This rock and mineral testing kit includes 25 individual kits and a large selection of rocks and minerals to test. Instructions included in box. Most rocks are specific to Tennessee.
Oakley STEM Center Lending Library
https://www.tntech.edu/stem
155 W 7th Sthttps://www.tntech.edu/stem
Cookeville, 38505
USA
(931) 372-6573