Blue Black Opal Stone 6456 Lightning Ridge Black Opals

4.33ct, 13.87x10.18x5.0mm, from Lighting Ridge, Australia., Brightness: 3.5 of 5;, Body tone: N3, Black opal;, This Australian black opal shows a

Blue Black Opal, 4.33ct from Lightning Ridge, AUS

Lightning Ridge Opal Black Opal Gems - Black Star Opal

A loose black opal stone cut to an oval showing bright blue on an N3 body tone.

Loose Black Opal Stone Blue Oval 5.1 Carats

Loose Black Opal Stone 23 Carats 7688

6 cts Australian Rough Black Opal, Rub Lightning Ridge Gem

N1 - 0.60CTS BLACK OPAL STONE TBO-6404 TRUEBLUEOPALS

5.25Ct Lightning Ridge Black Opal Opal Gem

A big blue black opal stone that has a lively color play with mid range brightness on an N2 body tone and is cut in a fantastic long narrow oval.

Blue Black Opal Stone Unset 12.5 Carats 6456

Beautiful bright dancing greens and blue colours in this huge natural solid black opal. Paste link into a browser window:[isdntekvideo]. No ifs’,

176.10 carats NATURAL SOLID LIGHTNING RIDGE BLACK OPAL GEMSTONE (175)