Yellow Jasper is an excellent stone when working with the solar plexus. Jasper has a grounding effect so it's naturally connected to the earth. It will go ahead and help you solve problems you thought were overwhelming. When used as a focus stone you can use it in meditation, on a grid, in your pocket or purse to carry with you it's chakra is the solar Plex is but it will extend up into the spiritual aspect of the masculine energies of the divine spirituality from its earth connection its natural earth connection. Its element is earth and fire. It's number is 3.