Olivine is named for its beautiful olive-green colour, that is thought to be a result of traces of nickel. 
Olivine gives its name to the group of minerals with a related structure, the olivine group, which includes tephroite, monticellite, and kirschsteinite.
This stone is connected to both the elements of fire and earth as well as the Heart Chakra.
It is a symbol of luck, protection, empowerment, manifestation, creativity, imagination and self-expression.