This rough Jefanite material, should produce cabochons with bright blue veins and pockets within a black base material. The veins and predominately blue but can have some purple as well as green. Some pieces have small pockets of a deep transparent red. The dominant colour in most pieces is the blue veins and pockets against the black.
NOTE: If a piece is not listed in the options, it has been sold. Selecting a piece will show a close up photo.