Jasper is a cosmically colorful stone. There are multiple opaque colors and varieties of Jasper, which is actually a combination of quartz or chalcedony and other minerals. Different varieties have varying properties. In general, however, Jasper is a manifestation stone that absorbs excess energies to help with energetic balance. It can appear naturally, tumbled and polished, carved, or cut. Jasper is an absorbing crystal rock. It is associated with the following chakras according to corresponding colors: Red or black, root; orange, sacral; yellow or brown, solar plexus; green, heart; blue, throat or third eye. It helps with manifestation, grounding, stability, balancing excess energies associated with addiction, and obsessive-compulsive behavior. You can hold jasper after meditation for grounding. It can be worn on any of the chakras, as jewelry, or in a pocket.
Lee, Crystal. Crystal Healing: 5 in 1 Bundle: Expand Mind Power, Enhance Psychic Awareness, Achieve Higher Consciousness, Increase Spiritual Energy, Gain Enlightenment with the Power of Crystals and Healing Stones (pp. 16-17). Kindle Edition.