Pictured is an example, (stones sold individually) shapes and color may vary somewhat
Gem Silica works very well on the Crown Chakra, opening your physical body up to the ethers above. This can help you get closer to the physical state of perfection. This crystal can also stimulate your visionary experiences as well as enhance your intuitive abilities when placed on the Third Eye Chakra.
 
Small 18mm
Medium 24mm
Large 28mm
 
Gem Silica Healing Properties and other items