5x7mm Oval Opal Cabochon - OP19 Black Opal #1 Blue Green

5x7mm Oval Opal Cabochon Black Opal #1 for Jewelry Inlay Opal cabochons are an excellent addition to any jewelry-making project you are designing. The opal in our store is pure and of the highest quality around. It is composed of 80% silica and 20% resin. Grown layer by layer, this cultured opal material provides the most consistent colors, durability, and quality, as well as the most striking display of colors. One side of the opal is domed and the other is flat. Price is for one single cabochon. Select the quantity you need for your beautiful jewelry creation. Shape: Oval Width: 5mm Length: 7mm Thickness: 2.2mm Color Name: Black Opal #1 Color Name Genre: Dark Blue and Green Opal Color Model #: OP19 Note: Measurements are close/approximate.