These assembled opal gemstones are great
loose gemstone cabochons you can add to your collection of loose
gemstones at your jeweler’s workbench. Each of these cabochon opals
is a high quality cabochon cut opal and come with black opal
coloring. Wholesale cabochon opals will match any jewelry design you are
working on or repairing. These black opal gemstones will help you create
beautiful finished cabochon jewelry every time.