23ct Opal Limb Cast from Ethiopia tanzania This amazing large green tourmaline

This amazing large green tourmaline crystal sits tall through an amazing doubly terminated quartz crystal

We consider this to be a Large Cabinet Sized (LGC) Specimen

The opposite side

Beautiful blue/green amazonite crystal specimen

23ct Opal Limb Cast from Ethiopia tanzania This amazing large green tourmalineWelo Ethiopian hydrophane opal Limb cast mineral specimen with an amazing play of color. A limb cast opal is an opal that has filled the cavity of an old tree limb or root that eroded away leaving an empty pocket for the opal to form in. Not only that, but this piece is very fine cutting material that will have a great yield in a finished gem. Watch Video to see the play of color and full view of this opal. We recommend that this opal material NOT be