Description
BOULDER OPAL AND OPAL DOUBLET A free-form boulder opal displaying extensive play-of-color of yellow, green, blue and violet, weighing approximately 4.15 carats and measuring 24.44 x 5.60 x 2.84mm . Together with a free-form opal doublet displaying good play-of-color exhibiting orange, yellow, green, blue, and violet, weighing approximately 3.94 carats...