Spherule polished harmonizers

This is a set of 2 spherule polished harmonizers. The black harmoniser is made of Shungite, the grey harmoniser is made of Tulikivi. Each spherule harmonizer is 35 mm diameter.
You can make an exercise with this spherule harmonizers as with balls that promotes harmonious development of the left and right hemispheres of a brain. Simply take two small Shungite spherule harmonizers in a hand and roll them in different directions.