Zilong crystal stone is a newly discovered gemstone with elegant pure purple and little white spiral stripes, forming a very unique beauty. Zilong crystal stone is a new development of the ore which is a luxury goods. Zilong crystal stone is dicovered in Sherry River in 1978, and it has strongly alkaline with nepheline syenite intrusion into the limestone. Because of the special pressure, temperature, chemical composition, physical conditions posed by the changes, creat the world exclusive "Zilong crystal stone". "Zilong crystal stone".