Blue is the color of denoting the ocean, sky and divinity. It is the color representing the archangel Michael and the Hindu Gods of Lord Krishna and Lord Vishnu. Blue is also the color ray of Planet Jupiter. It is the color of truth, serenity and harmony, by helping to soothe the mind. It is a very calming and positive color, indicating loyalty and reliability. Blue rays emit a cool vibration that is helpful to communication and thereby can be used for relaxing and to encourage feelings of communication and peace. It is also the color associated with the 5th chakra is known as the Throat Chakra which represents the qualities of communication and self expression. The blue ray is one of the greatest antiseptics in the world and can counterbalance for too much red. When the Throat Chakra is out of balance are one may experience difficulty in expressing oneself and in learning. A balanced of blue brings intuition, inspiration, sincerity, peace, joy, Calm, clear thought process, faith in oneself, emotional balance and optimism. Too little blue can make one withdrawn, timid, manipulative, unreliable, stubborn and resistant to change and can cause diseases and conditions like suspicion, depression, insecurity, loss of appetite, arthritis, bleeding, epilepsy, fever, goiter, headaches, heartburn, hysteria, insomnia, irritability, itches, leprosy, nervous disorders, rheumatism, sexual inadequacies, tumors, jaundice etc. Too much blue can make one negative, arrogant, self centered, overly irritated or egotistical. The gemstones associated with the 5th Chakra are Blue Sapphire, Lapis Lazuli, Blue Topaz, Aquamarine, Turquoise and Chrysocolla.

Blue Sapphire Gemstone: Blue Sapphire is the gemstone of Saturn. This gemstone is blue in color, the color which denotes royalty which the planet Saturn deserves. The beautiful 'Blue Sapphire', is regarded as the 'Stone of the Stones' and is said to give peace of mind, tranquility, happiness and spiritual enlightenment. Blue Sapphire is the gemstone bearer of the blue color ray. This stone is said to bring some orderliness to mind and thoughts and disintegrates any negativity or disharmony. This is a stone also brings in mental flexibility.

Turquoise Gemstone: The Turquoise Gemstone has a cheerful color which is the combination of the light blue of the sky and the stimulating green of the sea and is said to endow the wearer with happiness and more confidence. This stone has the growth quality of green with the blue quality of communication. This gem stone is said to bring faithfulness and consistency in relationships. This gem is also known for its healing powers and widely used for treating depression. This stone is also used for neutralizing acidity, alleviating pain and rheumatism and for treating viral infection and stomach problems.

Chrysocolla Gemstone: Chrysocolla is a very beautiful green-blue color gemstone belonging to the Quartz family which resembles Turquoise. Chrysocolla is a stone of peace and tranquility. Some people even call this gem "Peace Crystal" because of its calming and soothing powers. Chrysocolla is also the birthstone of those born in the month of September. This is an excellent stone for female health problems and relationship issues. It is also used to treat digestive disorders, blood pressure, ulcers, diabetes arthritis and rheumatism. This stone also detoxifies kidneys, liver and intestines. This stone promotes clarity of thought, emotional balance, wisdom, intuition and patience. It also decreases stress, overcome negativity, nervousness and irritability.

Aquamarine Gemstone: Aquamarine gemstone is an affordable stone belonging to the Beryl family. This Gemstone is found in a range of blue shades, from the palest pastel to greenish-blue to a deep blue. Aquamarine is also said to bring harmony in relationships. This stone is the birthstone for March. Aquamarine is believed to endow the wearer with foresight, courage, willpower and happiness. As a healing stone, it is said to be effective as a treatment for anxiety, depression and grief. This stone said to reduce the effect of poisons. Aquamarine also works against nerve pain, glandular problems, toothache, and disorders of the neck, jaw and throat.

Lapis lazuli Gemstone: Lapis Lazuli is an opaque, vibrant blue gemstone belonging to the semiprecious gemstone category. It is the birthstone of September. This gem is also referred to as 'Lazurite'. Lapis Lazuli is used in overcoming health conditions like depression, thyroid, insomnia and problems associated with the eyes, throat and ears. It is also used as treating chronic diseases, allergies, blood pressure and skin diseases. Lapis lazuli is also said to eliminate negative emotions. The stone is said to increase psychic abilities and promotes spirituality. This gem is also believed to promote creativity and awareness. Women suffering from pain during menstruation should wear this stone.

Blue Topaz Gemstone: Blue Topaz is a very popular gemstone belonging to the semiprecious gemstones category. This gem is considered the representation of friendship and fidelity. It is also said to remove the negative feelings towards others and calm down temper. The blue topaz is the birthstone of the month December. The Topaz gem is widely used for treatment of tension, blood pressure, depression, insomnia, thyroid, mental disorders, cough and cold, liver ailments, jaundice, nervous disorders, asthma, loss of appetite, indigestion etc. This stone can be worn by those who are troubled by bad dreams and nocturnal fears to have a sound and pleasant sleep.