Dioptase Ring in a Sterling Silver Bezel Setting Labradorite Opal is a hydrous silicon

Opal is a hydrous silicon dioxide and is without a crystalline structure which is to say it is amorphous

The Chinese variety are predominantly a reddish-brown

Metal: Solid Sterling Silver

much like the white buffalo turquoise stone

Dimensions: 2" Length

Dioptase Ring in a Sterling Silver Bezel Setting Labradorite Opal is a hydrous siliconDioptase Ring in a Sterling Silver Bezel Setting Size: 8 Length: 5 8" Width: 3 8" Dioptase is an extremely rare Copper cyclosilicate mineral that crystallizes in small prismatic shards, as well as inclusions within Quartz. This mineral occurs around other copper bearing minerals such as Chrysocolla, Malachite and Shattuckite. It forms on copper veins that have been exposed to extensive oxidation. The color can range from a deep emerald green to a