A superb Rainbow Lattice Sunstone cabochon with a spectacular optical effect.

This unique variety of Orthoclase Feldspar with its basket-weave pattern of iridescent Hematite and Magnetite platelet crystals is only found in Mud Banks, the Harts ranges, Northern Territories, Australia.

Images 5 to 10 are magnified views of the shimmering, iridescent inclusions arranged along growth planes of their host in reflected and transmitted light.

To see a short video of this gem on YouTube, please use this link:
https://youtu.be/U0ambNOCRkg

weight:  2.91 carats
shape:   Keystone shape cabochon
dimensions:   12.34 x 7.19 x 3.59 mm
treatment:  None