This aromatherapy / diffuser bracelet has been hand crafted using Tree Agate and  Moss Agate 

Tree Agate is a stone of inner peace, calms nerves, and can be used to deepen meditation and prayer. ... Tree Agate is a healer of geopathic stress; by emitting its calming and centering energies into the environment.

In addition to the generic healing properties of Agate, Moss Agate is a stone of new beginnings. Refreshes the soul and enables you to see beauty in all you behold. Moss Agate reduces sensitivity to weather and environmental pollutants. It attracts abundance in wealth and improves self-esteem.

I have used the leaf also in this set, leaves depict hope, renewal, and revival, In general, leaves are symbolic of growth.  My belief is that we should never stop growing, inspiring, motivating and learning