Smoky (or smokey) quartz is a grounding and stabilizing stone. It brings calm and centering, lifts depression, enhances practicality, and generally removes negative energies, bringing happiness. Smoky quartz is also a good luck stone. It can also assist in tapping subconscious wisdom. Smoky quartz is a protective stone, particularly for physical protection, protection from negativity, and psychic protection. Physically, smoky quartz is helpful for kidneys, abdomen, pancreas, reproductive organs, menstrual cramps, fertility issues, water retention. Smoky quartz is associated with the root chakra.

Jasper is a stone of gentleness and relaxation. It enhances one's ability to relax and brings tranquility, comforting, wholeness, healing, and gentle endings. It is sometimes called the nurturing stone for its nurturing and protective energies. Psychically, jasper is used to assist with astral travel. In the physical realm, jasper is used for the liver, gallbladder, soothing the stomach, and balancing yin/yang energies.

Onyx is associated primarily with the root chakra. It assists with challenges in life, especially those caused by a drain of energy. It prevents the draining away of personal energy and can be used for protection from such. It also helps with grounding and controlling or eliminating excess or unwanted energies. It has been used for wound healing, childbirth and to increase stamina and self-control. Black onyx and red onyx are associated with the base (root, first) chakra. White onyx is associated with linking the base and crown chakras to have balanced energy throughout the chakra system.

Opal is a stone of inspiration which enhances imagination and creativity. It helps one release inhibitions and enhances memory. Opal is also a very spiritual stone, and can help one be "invisible" in situations where they don't care to be noticed. Opal brings happy dreams. It also eases the process of change. Physically, opal is said to be helpful for eyesight and Parkinson's disease.