Blue Onyx One Side Polished

Blue onyx is a variety of the chalcedony mineral composed of banding of blue, white, and gray. Blue onyx is composed of silicon dioxide, and ranges from translucent to opaque with a vitreous glassy luster when polished. These pieces have only one side polished.

You will receive one piece selected from our current stock. All pieces are of similar size and quality. 

Average Dimensions: 3.25 L x 2 W x 2.25 H inches

Average Weight: 1 pound