Natural solid opal from Mintabie, Australia.
Excellent concentration of opal coming from a thicker layer of semi transparent opal over a light grey base/pooch opal on the back.
Old stock, cut over 30 years ago. No cracks or crazing
Brightness: 4
Video is taken outside, on an overcast afternoon.
Pictures are taken indoors, under diffused fluorescent lights in a lightbox. No post processing.
18.6 x 9.0mm x 3.8mm
4.75 carats