Fantastic Marra Mamba tiger-eye cabochon! Mostly red tiger-eye with stringers of dark blue and very nice chatoyance.
The stone also has a few small seams of metallic Magnetite.
Flat back with a low domed top, both sides are polished. True 'old stock' Marra Mamba this nice very hard to come by these days. It's easy to see why this Tiger-eye is considered the finest of them all and highly sought after by collectors and jewelry designers.
The back of this is polished but it does have some surface texture you can see when the light reflects off the surface.