Quartz is the master healer.
A single quartz crystal carried on ones body will assist in maintaining balance, energy and protection.
All of the psychic abilities can be stimulated and amplified using quartz. It has the property of retaining calmness and clarity in every situation, decreasing negative energy that could inhibit emotional stability. It aids in perseverance and patience.
Quartz responds extremely well to the heart chakra and the third-eye chakra. In the heart chakra, it helps to clear emotional disturbances, enhances the states of self-help and self-love. In the third-eye chakra, it enables one to focus more clearly with the mind to empty the mind. It also promotes reflection, magnification of images and thoughts. Quartz, when used for the crown chakra, produces a spiraling effect that remove the Kundalini for access to the spiritual realm. If one has not overcome personal will and open the crown chakra it can produce disruptions in the emotional, physical and spiritual centers. Quartz can direct ones materialistic energies towards the spiritual realm. Quartz cancels harmful effects of radiation and radioactivity.
 

 

Moonstone helps cool, soothe and calm over-reactions to emotional and personal situations. It allows us greater flexibility and flow with life. Moonstone has been used for protection against the perils of travel. It encourages a lust for life, a youthful attitude and helps us to become comfortable with the aging process and its transitions.
Moonstone's emotional connection makes it most effective when placed at the 2nd or Sacral/Spleen Chakra. Known to be of ancient spiritual significance in its connection to the moon and the intuitive aspect of one's nature, the source of our intuition is often described as our "gut feeling" found at the Solar Plexus Chakra. This energy center deals with the human ego, emotions and self-power. Placing moonstone on the solar plexus helps to show us our old emotional patterns which, we hold on to.
It can be used to work on dissolving these patterns that no longer serve us. Although, the Third Eye Chakra is most associated with intuition, the "spark" is what is felt in the area of our solar plexus.
This being the biggest nerve center in our body connected to almost all the organs. This is also where the connection between the three lower Chakra interchange with the four higher Chakra energy centers.
Therefore, use moonstone to promote your intuitive and empathic nature. Use it also to encourage lucid dreaming, especially at the time of the full moon.
It is the perfect stone for the Emotional Layer of the Aura. Moonstone is a great stone for meditation and helping with unconditional love.
Moonstone encourages creativity, imagination, inspiration and awareness. It also has been used throughout history to bring good luck.

 

The most important property of citrine is that it dissipates negative energies of all kinds and does not absorb any negative energy from its surroundings, and thus never needs clearing/cleansing. 
Citrine can be used to clear unwanted energies from the environment. Family issues caused by negative energies can also be resolved and cleared with citrine. Since citrine eliminates negative energies, it helps generate stability in all areas, and is good for general protection.

In the mental area, citrine enhances mental clarity, confidence, and will power. It also increases creativity and promotes honesty.

Emotionally, citrine relieves depression, self-doubt, anger, and irrational mood swings. Citrine is a stone that brings happiness and cheer to one who carries or wears it. Citrine also reduces self-destructive tendencies. Citrine helps eliminate fears caused by others' ideas and suggestions. It can help one overcome emotional traumas and grief. Sensuality and sexuality can also be heightened by citrine.

In the psychic and spiritual realms, citrine is good for general psychic awareness and spiritual development. Citrine clears the aura of negative energies and influences. It is also very useful for meditation. Citrine is a stone of protection, removing or deflecting negative energies of all kinds. It is also excellent for dream recall and dream work.
Physically, in crystal healing and folklore, citrine is said to be beneficial for the digestion, stomach, eliminating nightmares and other sleep disturbances, thyroid, general health, heart, kidney, liver, muscles, strength, endocrine system, circulatory system, tissue regeneration, urinary system, immune system, diabetes, fibromyalgia. Citrine is also reputed to be good for removing toxins, and overcoming addictions.