Dark ironstone with sparkles of bright color. These two cabs were cut from Old stock Queensland boulder opal. The host rock is ironstone, with veins of colorful opal.
Marquise shaped cab- beveled edges and a natural/rough face, green-blue-purple flecks with white veins
Approximate size- 38.5 x 20 x 6 mm, 38.5 carats
Rounded freeform- polished face, veins of purple fire with flecks of green, dark base
Approximate size-27 x 37 x 6 mm, 66.6 carats
Serious grab here for the right person! This is an old tray of cabs that I cut a few years back. Trying to consolidate and clean out some older things,...
Andean opal has a gel base, looking like water frozen in still life. This one is translucent with hints of blue, green, and white. Carved in a freeform drop shape....
High clarity with smoky exterior, very fine shadow banding when you get up close. The center shows the bubbly botroydal formation. Would make a great center for a pendant, or...