It is a formation that, exteriorly, appears as a common stone: in reality is a hollow stone that presents, sometimes, a layer or jasper or agate and a crystal centre. In ancient times the geode was called the "eagle stones" because, often, these birds made their nests inside stones of big dimensions. Thanks to the large quantities of crystal points that they contains, geodes are powerful issuer of energy: a beautiful geode exposed in the house will protect her and will make it more hospitable and close, exactly as a nest. A geode placed on the desk will increase the work performance and support good working conditions.
All the civilization of the ancient world attributed great property of cure and protection to the stones. Ayurvedic medicine in India and Tibet still use today a lot of stones and minerals. In the west from the middle age, the use of precious stones moved from the curative ambit to the magical and ritual one to the popular tradition. The minerals that crystal therapy recognize as therapeutic include the one most commonly used in medicine as calcium, iron, potassium, copper, zinc ecc. but also a lot of precious and semi-precious stones and crystal. A special important place has been reserved to the quartz category that is believed to have protective capacities from the negative energies of the electromagnetic waves.
Each zodiacal sign is associated with some stones that help to keep away the negative situation created by every day life. Those zodiacal stones change according to tradition, religion and culture. Often the stone are also linked to a colour and a planet.
Crystals have been used since antiquity as lucky charms, talismans or jewels. The magical uses of the tradition have been reinterpreted by the modern esoteric research that attributes to each crystal a specific energetic propriety. Crystal therapy works through the chakra and positively influences our magnetic field thanks to the particular structure of the crystals, different for each stone. This different structure gives the stones the power to realign the energies if the body.
The traditional medecines have always attributed a great importance to the influence of the colours on health and the mental state. The Egyptian, the Roman and the Greek practised heliotherapy (exposition to the direct sunlight) to cure varied diseases. In India, the ayurvedica medecine has always taken into account the way in which colours influence the chakras balance. The Chinese as well were giving entire trust to the varied colours to assure their wellbeingness.