This is a pretty statement necklace. Blue Chalcedony is a somewhat rare quartz. It is a bright sky blue and has a waxy luster and a very attractive variety of silica and a member of the quartz family. This would be a fun necklace to wear during the spring and summer months. It is a 417 carat stone necklace.
Interesting Fact: The third foundational stone of the New Jerusalem in the Holy Bible, Revelation 21: 19 is the Chalcedony. It is possible the chalcedony shined like brass. It is found only once in the Bible. The Greek word "Chalkedon" used in the Bible means a precious stone.