3~6 cm High quality Natural polished orange Sunstone moonstone Sphere Crystal Ball

In jiangsu lianyungang donghai county is the world's natural crystal material distribution center, known as the "China crystal city" reputation.The east China sea crystal to reserves is big, the quality of a material is famous in the world is pure.Here is the crystal important production base in China, with an annual output of 500 tons of natural crystal, half of the total national production.Here the existing crystal processing enterprises, more than 300, is regarded as crystal products across the street.

King of crystal is donghai county in jiangsu province in July 1958 well town zhe pond village sideline production team in underground digging out a piece of about 1.7 meters high, up to 1 m wide, weighs 3.5 tons of pure white crystal.The crystal silicon dioxide (the SiO ₂) composition is as high as 99.99%, 7 hardness, cylinder with horizontal stripes.After being presented with the national chairman MAO zedong, late in August 1958 by chairman MAO zedong presented China geological museum, is known as the "king" crystal.