Chalcedony

Medicinal use: it has a high cleansing effect, heals everything bad, including wounds that have not yet healed, increases body energy, has a beneficial effect on the circulatory system, gall bladder, spleen, bones and eyes, reduces the symptoms of senility, increases the production of breast milk.
Uses: happiness, peace, joy, success, protection, fear, depression
Properties: receptive stone, assigned to the planet Moon and the element of water.
It is a stone that banishes fear, depression, hysteria and sadness and turns them into joy. It dispels illusions and fantasies, promotes calm and peaceful feelings, adds strength to interpersonal relationships, brings body, mind and spirit into mutual harmony. It is also a stone of protection, especially when traveling, warding off psychic attacks, negative magic, absorbing negative energy and dispelling negative thoughts. Placed under the pillow, it banishes nightmares, night visions and fear of the dark. It gives beauty, strength, energy and brings success and happiness in all undertakings.
Blue chalcedony - improves memory, increases the ability to learn (especially languages), improves mood, offers an optimistic view of the future, promotes creativity. It lowers temperature, regulates blood pressure, strengthens immunity, has an anti-inflammatory effect, cleans the respiratory system of harmful substances from smoking.
Colors: white, blue, pink, gray
Location: Namibia, Brazil, Morocco, USA, Czech Republic, Slovakia, Austria, Iceland, Russia
Technical description: silicate, microcrystalline variety of quartz, waxy to dull luster, transparent to translucent, no fission.

Degree of hardness: 7