Gem Blue Chalcedony

Old stock Ethiopian blue chalcedony, a nice medium blue and glowing translucence. Clean except for a very minor amount of fortification banding and a spot of white matrix. This material was imported many years ago by a cutter who is now retired, and was surface collected in Ethiopia by a local associate of his. I hate trying to draw the line of the “ethical” label but this is about as eco and socially conscious as it gets for rock.
5.7 carats, 16 mm x 8 mm x 7 mm