You are looking at a handcrafted sterling silver opal cross pendant. It is made out of genuine sterling silver, natural opal and devcon backing. As you can see this pendant has a nice mosaic inlay design.  Chain sold separately.

Opal Cross Pendant Measurements: 2" in. long x 3/4" in. wide
Opal Mosaic Measurements: 3mm - 5mm
Weight: 8.6 grams