Double-sided
Hand-painted
One of a kind
UV reactive under blue light
Glow-in-the-dark details
Rock from Great Sand Bay in Eagle Harbor, MI
 
Primary colors: 
Blue / Aqua / Yellow / Green / Purple / Gold / White
 
Dimensions*:  
2" x 1.75"
 
* Please note: dimensions are approximate as the measurements are taken by hand and the stones are not uniformly shaped