Chalcedony is a type of microcrystalline quartz. It is found in a variety of colours such as blue, pink, white and grey. Chalcedony is formed in volcanic rocks and is often found in geodes. It is believed that this crystal has a calming effect and promotes calm and tranquility for the owner. Properties of chalcedony also are said to enhance communication and help those openly share their feelings more effectively and with less hysteric emotions.

Blue Chalcedony is associated with the Zodiac: Cancer | Chakra: Throat
Pink Chalcedony is associated with Zodiac: Taurus | Chakra: Heart
White Chalcedony is associated with Zodiac: Virgo | Chakra: Crown
Grey Chalcedony is associated with Zodiac: Capricorn | Chakra: Root