Dendritic Opal Melon Rondelles have excellent polish, a hand carved symmetrical shape, and are beautifully varied with translucent and opaque qualities. Body color is a light milky white hue showing black dendrite features within these nicely crafted Brazilian Dendritic Opals with graduated diameters from 7.5mm up to 12.5mm with generous widths. The inside drill hole diameter is approximately 0.8mm. AA Grade for color, shape, and make.