Quartz Crystal stone is believed to increase spiritual wisdom and insight, and promote clarity of thought. It’s also believed to increase one’s intuition and amplify prayers. In addition, Quartz Crystal is known to be good for treating headaches, dizziness and general pain relief, as well as healing emotional wounds. Clear Quartz is known as the "master healer" and will amplify energy and thought, as well as the effect of other crystals.
Chakras - Crown Chakra 
Zodiac - All Birth Signs 
Element – All (Earth/Fire/Air/Water)
 
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
 
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