Natural crystal opal from Australia
A nice crystal base. Very consistent full face broad swatches of color.
Old stock, cut over 30 years ago. No cracks or crazing
Brightness: 3.5
Video is taken outside, on an overcast afternoon.
Pictures are taken indoors, under diffused fluorescent lights in a lightbox. No post processing.
18.0 x 10.9mm x 3.9mm
4.8 carats