Agate stone is known to rebalance and harmonize the body, mind and spirit. It is also known to cleanse and stabilize the aura, banishing negativity. Agate is believed to stimulate and strengthen our analytical capabilities, encouraging us to think clearly and concentrate upon the task at hand. It’s also believed that the stone allows us to gain inspiration from spiritual worlds.
Chakra - Crown Chakra 
Zodiac - Gemini, Virgo 
Element - Earth
 
The white howlite stone is believed to help teach patience, and overcome self criticism. It is also a very calming stone used to relieve stress of all kinds. It makes an excellent antidote to insomnia due to an overactive mind.
Zodiac - Gemini 
Element - Air
 
Quartz is associated with the solar plexus chakra, and known as an excellent ground stone. Many believe it aids in relieving stress and anxiety, while calming a hyperactive mind. Quartz is also said to disperse fear and lift depression and negativity, while encouraging positive thought and action. Others associate the stone with detoxifying the digestive system, and protecting against radiation.
Chakras - Base Chakra, Solar Plexus Chakra 
Zodiac - Scorpio, Capricorn 
Element - Earth/Air