Blue Calcedon

Calcédonia is a milky blue stone. The Calcedonian stone is very old, it was discovered around 4000 BC. Jesus Christ in Asia Minor (current Türkiye). It can be naturally tired or united. It is made up of silica or silicon dioxide. It belongs to the family of polycrystalline quartz, in other words it is an aggregate of microscopic crystals with a small amount of impurities. It is these impurities that are responsible for the color and texture of this variety.

The first to exploit the natural stone Calcédoine were the Babylonians who used it in the manufacture of tools and weapons because it was relatively hard and sharp. Later at the Bronze Age, the Minoans, an ancient civilization of the Crête Island used it to create "cylinders" as documents. These were small rollers with signs carved in relief to print patterns on the wax, if you are in Paris, you can admire them in the Mesopotamia section at the Louvre.

In Tibetan Buddhism the Calcedon symbolizes the Yin side of the spirit of the Buddha.
Blue Calcédonia is quoted many times in the divine Scriptures. In the Bible, it represents the third foundation of the wall of Jerusalem. In the Torah, Calcédonia is one of the stones that adorn the pectoral of judgment.

In the Middle Ages, blue crystal was used for its soothing properties in angry people. It is the stone of emotional expression: a beneficent and soft stone which, used to improve communication relieves and soothes tensions.