11.06ct Raw Uncut Ethiopian Opal hydrophane This beautiful tanzanite crystal has

This beautiful tanzanite crystal has a great gemmy window down the bluer axis of the crystal

4mm x 18mm

46mm x 36mm x 30mm

This deep blue/green crystal has a very interesting etched surface and is fairly gemmy within

11.06ct Raw Uncut Ethiopian Opal hydrophane This beautiful tanzanite crystal hasWelo Ethiopian hydrophane opal mineral specimen with an amazing play of color. Not only that, but this piece is very fine cutting material that will have a great yield. Watch Video to see the play of color and full view of this opal. We recommend that this opal material NOT be submerged in water (unless it is being cut, water will keep it cool), and it should never have any oils applied to it. Also, due to the hydrophane nature of this opal, the