Emerald - provides Cancer with stability and alleviates mood swings. It's deep green reflects life's meaningfulness and it absorbs negative vibrations and protects against them.
Moonstone - teaches Cancer that one makes progress only by striving for the highest ideals and forces them to stop daydreaming and face reality.
Aventurine - can bring Cancer peace in heart and mind. When caught in the turbulence of their powerful emotions, they can find solace and calm in green aventurine.
Chalcedony - the milky white, silver variety is best for Cancers. It is especially helpful when they feel like retreating into their shell and can't find a way to share their feelings. It also helps them fight off negative influences, so when it feels like the world is closing in on them, Cancer can regain their creativity and break free of the bonds that imprison them.
Jade - gives Cancer the confidence to trust their feelings. Keep a bit of jade in your pocket as a touchstone to provide you with a sense of security in difficult situations.
Opal - impresses upon Cancer that they are entitled to their own feelings. This allows them to find a way through difficulties and supports their striving for harmony.
Pearl - because of their luster and smoothness, pearls are natural symbols of beauty and perfection. They confer wisdom and sincerity on Cancer, helping to guard against danger. They also provide comfort in old age and moderate mood swings.
Olivine - the Cancer who is beset by the anxiety and depression that come from holding too much inside should turn to olivine. It is also effective in treating skin disease and metabolic disorders.
Chrysoprase - has a calming effect on Cancer. It helps them reach a balance between conscious and unconscious spheres. It encourages them to strive for harmony and deepens their ability to connect with others.
Chrysocolla - gives Cancer serenity and tolerance and stimulates both intuition and imagination. It is an antidote against the poison of hate and anger. It helps its possessor see the world as a beautiful place. Its benign influence will enrich the lives of those born under the sign of the crab.
Other important stones for Cancer:
Carnelian - channels the earth's magnetism. It can aid the Cancer who feels abandonment and loss particularly keenly. It teaches that nature is constantly changing and that nothing in the universe can stand still.
Rhodochrosite - its combination of pink and orange lends new strength to Cancer's self awareness. It opens their eyes to unimagined possibilities which Cancer would normally dismiss as untenable. But this attitude would lead to the dimming of one's spiritual light and rhodochrosite prevents that from happening.
Sodalite - strengthens one's mental faculties. Its blue color helps Cancer keep a cool head in the midst of powerful emotions. It also encourages them to return to face the challenges from which they have retreated.