Blue chalcedony is a microcrystalline form of quartz with a chemical formula of SiO2. Naturally, blue chalcedony forms different morphologies other than crystals. These morphological forms include mammillary, stalactitic, botryoidal, massive, banded forms, nodular varieties, as smooth circular pebbles, as geodes linings and amygdule. This hexagonal crystal with white streaks has a Moh’s hardness score of 6.5-7. Owing to its double refractive power of .009, it has a vitreous to waxy luster. With a specific gravity of 2.63-2.65, it dissolves readily in hydrofluoric acid. Its transparency ranges from translucent to opaque.
With brittle tenacity, it shows a conchoidal fracture though it is devoid of any cleavage planes. This tectosilicate is vibrantly fluorescent. Being highly piezoelectric, it can generate electric power. This triboluminescent stone is strikingly hard. Environmentally, blue chalcedony is ubiquitous but is particularly present in the igneous environment. The rock morphology of blue chalcedony can be igneous, metamorphic or sedimentary.
Blue chalcedony comes off as decorous yet mystical crystal with an aura of serenity. It's soft bluish tinge captivates the mind which makes it an object of reverence. Owing to its soothing effect on nerves and spirit, it enhances trust within.
The cryptocrystalline structure of blue chalcedony idealizes its usage for restoring balance in life and within. Furthermore, it soothes the turmoil of the conscious mind, the animal like self and inner rebellious child. The stone has its name derived from the port city, ‘Chalcedon’ in Greek civilization. Many ancient civilizations carved chalcedony and used them in ornaments as well as jewelry. It was a belief that they imparted special powers to their bearers.
Worn by Cicero around his throat, a famous Roman orator, the stone gained fame as ‘Speaker’s stone.’ It radiates the energy for reflection and aura for meditation. Thereby Chalcedony is a potent help for those who aspire to be public speakers. Lawyers, as well as political party leaders, can also benefit from blue Chalcedony's charm.
Singers felt desperate for drinking the chalcedony immersed water prior to their performance. Moreover, actors rubbed their lips or throat with this stone to boost their performance. It enhances stability in celebrations and also helps control stage fright. It opens the mind to new approaches and increases good will.
Blue Chalcedony is associated with the ancient moon and huntress goddess, Diana. In Ancient Egypt, these stones were placed in mummy tombs as these were considered a symbol of rebirth. As with the olden days when Blue Chalcedony was carved into amulets for protection, it is still considered as such in current times and are now used as protection from evil magic. This stone is used as well for enhancing one's psychic skills and intuition.
Blue Chalcedony encourages a person to be eloquent with his/her feelings, enabling open discourse to solve a dispute. It promotes calmness, eliminating hostility and anxiety. This stone is also believed to help prevent nightmares. It also gives the user clarity, enabling him/her to envision practical and realistic plans for important projects instead of clouded, unreasonable illusions.
For healing, Chalcedony is used to support the healthy circulation of body fluids, thereby decreasing chances of clotting or buildups. It is also beneficial for those with problems involving kidney or gall stones. It also believed to help throat discomfort and inflammatory processes. It counters any type of lethargy, depressive episodes, obsessive behaviors, jealousy and bad temper. Being used for sleepwalking it helps relieve chilblains.
Chalcedony was named after a town in Istanbul, Turkey named Chalcedon, now named Kadıköy. Usually found in Turkey, Madagascar, Brazil, India, Zimbabwe, and some parts of Nevada, in the US, Chalcedony is usually used in carving, as well as in jewelry, such as necklaces, bracelets, and earrings. It is a microcrystalline form of Quartz which occurs commonly in igneous environments as linings of geodes or as small stones in stalctitic, mammilary, or nodular forms. It generally has a vitreous to waxy luster, and appearance of translucent to opaque.